n. Opposition to vivisection. [ 1913 Webster ]

n. One opposed to vivisection [ 1913 Webster ]

v. t. [ imp. & p. p. Bisected; p. pr. & vb. n. Bisecting. ] [ L. bis twice + secare, sectum, to cut. ] 1. To cut or divide into two parts. [ 1913 Webster ]

2. (Geom.) To divide into two equal parts. [ 1913 Webster ]

n. [ Cf. F. bissection. ] Division into two parts, esp. two equal parts. [ 1913 Webster ]

n. One who, or that which, bisects; esp. (Geom.) a straight line which bisects an angle. [ 1913 Webster ]

n. The line bisecting the angle between the optic axes of a biaxial crystal. [ 1913 Webster ]

n. (Surg.), the operation of taking a child from the womb by cutting through the walls of the abdomen and uterus; -- so called because Julius Cæsar is reported to have been brought into the world by such an operation; -- called also caesarean.
Syn. -- cesarean section, cesarian section, caesarean section, caesarian section, C-section, cesarean, cesarian. [ 1913 Webster ]

n. [ L. callere to be insensible + E. section. ] Painless vivisection; -- opposed to sentisection. B. G. Wilder.

n. (Surg.), the operation of taking a child from the womb by cutting through the walls of the abdomen and uterus; -- so called because Julius Cæsar is reported to have been brought into the world by such an operation; -- called also caesarean.
Syn. -- caesarean section, cesarian section, caesarian section, C-section, cesarean, cesarian. [ 1913 Webster ]

a. [ L. consectaneus. ] Following as a matter of course. Blount. [ 1913 Webster ]

n. That which follows by consequence or is logically deducible; deduction from premises; corollary. [ R. ] Milton. [ 1913 Webster ]

a. [ L. consectarius, fr. consectari to follow after eagerly; con- + sectari to follow eagerly, fr. sequi to follow. ] Following by consequence; consequent; deducible. [ R. ] “Consectary impieties.” Sir T. Browne. [ 1913 Webster ]

v. t. to create one or a series of cross sections{ 3 } by cutting (an object) into thin slices. [ PJC ]

n. 1. a flat plane cutting through a three-dimensional object, usually at right angles to the longest axis of the object. [ PJC ]

2. any visual representation of a cross section{ 1 }, showing the internal structure of the object in the plane of the cross section; as, the technician prepared a series of MRI cross sections of the skull. Different cross sections created by different techniques may show different aspects of internal structure. Thus computerized axial tomography using X-rays shows different structures than are visualized by MRI. [ PJC ]

3. a thin slice of an object made by cutting it transversely; as, to view a cross section of a bacterium with an electron microscope after staining the DNA; cross sections were prepared with a microtome. [ PJC ]

4. a representative sample of a complex group; as, the town contained a cross section of the American population. [ PJC ]

5. (Physics) a measure of the probability that a nucleus will interact in a specified way with a bombarding particle, expressed as the effective area that the nucleus presents to the particle; -- called also nuclear cross section. [ PJC ]

adj. of or pertaining to a cross section; as, a cross-sectional slice. [ WordNet 1.5 ]

n. contraction of caesarean section.
Syn. -- cesarean section, cesarian section, cesarean, cesarian, caesarean. [ WordNet 1.5 ]

v. t. [ imp. & p. p. Dissected; p. pr. & vb. n. Dissecting. ] [ L. dissectus, p. p. of dissecare; dis- + secare to cut. See Section. ] 1. (Anat.) To divide into separate parts; to cut in pieces; to separate and expose the parts of, as an animal or a plant, for examination and to show their structure and relations; to anatomize. [ 1913 Webster ]

2. To analyze, for the purposes of science or criticism; to divide and examine minutely. [ 1913 Webster ]

This paragraph . . . I have dissected for a sample. Atterbury. [ 1913 Webster ]

a. 1. Cut into several parts; divided into sections; as, a dissected map. [ 1913 Webster ]

2. (Bot.) Cut deeply into many lobes or divisions; as, a dissected leaf. [ 1913 Webster ]

a. Capable of being dissected, or separated by dissection. Paley. [ 1913 Webster ]

a. 1. Dividing or separating the parts of an animal or vegetable body; as, a dissecting aneurism, one which makes its way between or within the coats of an artery. [ 1913 Webster ]

2. Of or pertaining to, or received during, a dissection; as, a dissecting wound. [ 1913 Webster ]

3. Used for or in dissecting; as, a dissecting knife; a dissecting microscope. [ 1913 Webster ]

n. [ Cf. F. dissection. ] 1. The act of dissecting an animal or plant; as, dissection of the human body was held sacrilege till the time of Francis I. [ 1913 Webster ]

2. Fig.: The act of separating or dividing for the purpose of critical examination. [ 1913 Webster ]

3. Anything dissected; especially, some part, or the whole, of an animal or plant dissected so as to exhibit the structure; an anatomical so prepared. [ 1913 Webster ]

Dissection wound, a poisoned wound incurred during the dissection of a dead body. [ 1913 Webster ]

n. [ Cf. F. dissecteur. ] One who dissects; an anatomist. [ 1913 Webster ]

v. t. [ L. exsectio. ] 1. A cutting out or away. E. Darwin. [ 1913 Webster ]

2. (Surg.) The removal by operation of a portion of a limb; particularly, the removal of a portion of a bone in the vicinity of a joint; the act or process of cutting out.

v. t. [ imp. & p. p. Hemisected; p. pr. & vb. n. Hemisecting. ] [ Hemi- + L. secare to cut. ] (Anat.) To divide along the mesial plane. [ 1913 Webster ]

n. (Anat.) A division along the mesial plane; also, one of the parts so divided. [ 1913 Webster ]

n. [ F. insecte, L. insectum, fr. insectus, p. p. of insecare to cut in. See Section. The name was originally given to certain small animals, whose bodies appear cut in, or almost divided. Cf. Entomology. ] 1. (Zool.) One of the Insecta; esp., one of the Hexapoda. See Insecta. [ 1913 Webster ]

☞ The hexapod insects pass through three stages during their growth, viz., the larva, pupa, and imago or adult, but in some of the orders the larva differs little from the imago, except in lacking wings, and the active pupa is very much like the larva, except in having rudiments of wings. In the higher orders, the larva is usually a grub, maggot, or caterpillar, totally unlike the adult, while the pupa is very different from both larva and imago and is inactive, taking no food. [ 1913 Webster ]

2. (Zool.) Any air-breathing arthropod, as a spider or scorpion. [ 1913 Webster ]

3. (Zool.) Any small crustacean. In a wider sense, the word is often loosely applied to various small invertebrates. [ 1913 Webster ]

4. Fig.: Any small, trivial, or contemptible person or thing. Thomson. [ 1913 Webster ]

Insect powder, a powder used for the extermination of insects; esp., the powdered flowers of certain species of Pyrethrum, a genus now merged in Chrysanthemum. Called also Persian powder. [ 1913 Webster ]

a. 1. Of or pertaining to an insect or insects. [ 1913 Webster ]

2. Like an insect; small; mean; ephemeral. [ 1913 Webster ]

‖n. pl. [ NL. See Insect. ] 1. (Zool.) One of the classes of Arthropoda, including those that have one pair of antennæ, three pairs of mouth organs, and breathe air by means of tracheæ, opening by spiracles along the sides of the body. In this sense it includes the Hexapoda, or six-legged insects and the Myriapoda, with numerous legs. See Insect, n. [ 1913 Webster ]

2. (Zool.) In a more restricted sense, the Hexapoda alone. See Hexapoda. [ 1913 Webster ]

3. (Zool.) In the most general sense, the Hexapoda, Myriapoda, and Arachnoidea, combined. [ 1913 Webster ]

☞ The typical Insecta, or hexapod insects, are divided into several orders, viz.: Hymenoptera, as the bees and ants; Diptera, as the common flies, gnats, and mosquitos; Aphaniptera, or fleas; Lepidoptera, or moths and butterflies; Neuroptera, as the ant-lions and hellgamite; Coleoptera, or beetles; Hemiptera, as bugs, lice, aphids; Orthoptera, as grasshoppers and cockroaches; Pseudoneuroptera, as the dragon flies and termites; Euplexoptera, or earwigs; Thysanura, as the springtails, podura, and lepisma. See these words in the Vocabulary. [ 1913 Webster ]

n. A place for keeping living insects. -- In`sec*ta"ri*um n. [L.] [1913 Webster]

n. [ L. insectatio. See Insectator. ] The act of pursuing; pursuit; harassment; persecution. [ Obs. ] Sir T. More. [ 1913 Webster ]

n. [ L., fr. insectari to pursue, freq. fr. insequi. See Ensue. ] A pursuer; a persecutor; a censorious critic. [ Obs. ] Bailey. [ 1913 Webster ]

a. Pertaining to, having the nature of, or resembling, an insect. Howell. [ 1913 Webster ]

n. [ Insect + L. caedere to kill. ] An agent or preparation for destroying insects; an insect powder or spray. -- In*sec"ti*ci`dal a. [1913 Webster]

a. Pertaining to, or having the nature of, insects. Bacon. [ 1913 Webster ]

n. [ See Insect. ] A cutting in; incisure; incision. [ 1913 Webster ]

‖n. pl. [ NL., from L. insectum an insect + vorare to devour. ] (Zool.) 1. An order of mammals which feed principally upon insects. [ 1913 Webster ]

☞ They are mostly of small size, and their molar teeth have sharp cusps. Most of the species burrow in the earth, and many of those of cold climates hibernate in winter. The order includes the moles, shrews, hedgehogs, tanrecs, and allied animals, also the colugo. [ 1913 Webster ]

2. A division of the Chiroptera, including the common or insect-eating bats. [ 1913 Webster ]

n.; pl. Insectivores [ F. ] (Zool.) One of the Insectivora. [ 1913 Webster ]

a. [ See Insectivora. ] Feeding or subsisting on insects; carnivorous. The term is applied: (a) to plants which have some special adaptation for catching and digesting insects, as the sundew, Venus's flytrap, Sarracenia, etc. (b) to the Insectivora, and many bats, birds, and reptiles. [ 1913 Webster ]

n. An entomologist. [ Obs. ] [ 1913 Webster ]

n. [ Insect + -logy: cf. F. insectologie. ] Entomology. [ Obs. ] [ 1913 Webster ]

v. t. [ imp. & p. p. Intersected; p. pr. & vb. n. Intersecting. ] [ L. intersectus, p. p. of intersecare to intersect; inter + secare to cut. See Section. ] To cut into or between; to cut or cross mutually; to divide into parts; as, any two diameters of a circle intersect each other at the center. [ 1913 Webster ]

Lands intersected by a narrow frith
Abhor each other. Cowper. [ 1913 Webster ]

v. i. To cut into one another; to meet and cross each other; as, the point where two lines intersect. [ 1913 Webster ]

adj. having at least one spatial point in common.
Syn. -- crossed, decussate. [ WordNet 1.5 ]

n. [ L. intersectio: cf. F. intersection. ] [ 1913 Webster ]

1. The act, state, or place of intersecting. [ 1913 Webster ]

2. (Geom.) The point or line in which one line or surface cuts another. [ 1913 Webster ]

a. Pertaining to, or formed by, intersections. [ 1913 Webster ]

a. [ Multi- + L. sectus, p. p. of secare to cut. ] (Zool.) Divided into many similar segments; -- said of an insect or myriapod. [ 1913 Webster ]

adj. not sharing a common point; -- of lines, planes, or surfaces. [ Narrower terms: parallel (vs. nonparallel) ]
Syn. -- nonconvergent. [ WordNet 1.5 ]

adj. not restricted to one sect or school or party; as, religious training in a nonsectarian atmosphere; public funding is restricted to nonsectarian colleges. Opposite of sectarian. [ Narrower terms: ecumenic, oecumenic, ecumenical, oecumenical; interchurch, interdenominational; nondenominational; undenominational, unsectarian ] [ WordNet 1.5 ]

{ } a. [ L. palmatus palmate + secare to cut. ] (Bot.) Divided, as a palmate leaf, down to the midrib, so that the parenchyma is interrupted. [ 1913 Webster ]

n. [ L., an anatomist, from prosecare to cut up; pro before + secare to cut. ] One who makes dissections for anatomical illustration; usually, the assistant of a professional anatomist. [ 1913 Webster ]