a. [ Pref. bi- + medial. ] (Geom.) Applied to a line which is the sum of two lines commensurable only in power (as the side and diagonal of a square). [ 1913 Webster ]

Pertaining to the biological and physiological aspects of medicine. [ PJC ]

2. Of or pertaining to biomedicine. [ PJC ]

n. The application of engineeering principles to solve problems in medicine, such as the design of artificial limbs or organs; -- called also bioengineering. [ PJC ]

n. 1. The application of the principles and techniques of the natural sciences, especially biology, to investigate and solve problems in clinical medicine. [ PJC ]

2. The investigation of the effects of external environmental factors such as weightlessness on the human body. [ PJC ]

n. the branch of biotechnology that uses biological processes to overcome environmental problems. [ WordNet 1.6 ]

n. [ Cf. F. comédien. ] 1. An actor or player in comedy. “The famous comedian, Roscius.” Middleton. [ 1913 Webster ]

2. A writer of comedy. Milton. [ 1913 Webster ]

‖n. [ F., fem. of comédien. ] A women who plays in comedy. [ 1913 Webster ]

‖n. [ It. ] A dramatic sketch; a brief comedy. [ 1913 Webster ]

n. The relation of freedom from the interventionof a medium; immediateness. Shak. [ 1913 Webster ]

a. [ F. immédiat. See In- not, and Mediate. ] 1. Not separated in respect to place by anything intervening; proximate; close; as, immediate contact. [ 1913 Webster ]

You are the most immediate to our throne. Shak. [ 1913 Webster ]

2. Not deferred by an interval of time; present; instant. “Assemble we immediate council.” Shak. [ 1913 Webster ]

Death . . . not yet inflicted, as he feared,
By some immediate stroke. Milton. [ 1913 Webster ]

3. Acting with nothing interposed or between, or without the intervention of another object as a cause, means, or agency; acting, perceived, or produced, directly; as, an immediate cause. [ 1913 Webster ]

The immediate knowledge of the past is therefore impossible. Sir. W. Hamilton. [ 1913 Webster ]

Immediate amputation (Surg.), an amputation performed within the first few hours after an injury, and before the the effects of the shock have passed away.

Syn. -- Proximate; close; direct; next. [ 1913 Webster ]

adv. 1. In an immediate manner; without intervention of any other person or thing; proximately; directly; -- opposed to mediately; as, immediately contiguous. [ 1913 Webster ]

God's acceptance of it either immediately by himself, or mediately by the hands of the bishop. South. [ 1913 Webster ]

2. Without interval of time; without delay; promptly; instantly; at once. [ 1913 Webster ]

And Jesus . . . touched him, saying, I will; be thou clean. And immediately his leprosy was cleansed. Matt. viii. 3. [ 1913 Webster ]

3. As soon as. Cf. Directly, 8, Note.

Syn. -- Directly; instantly; quickly; forthwith; straightway; presently. See Directly. [ 1913 Webster ]

n. The quality or relations of being immediate in manner, place, or time; exemption from second or interventing causes. Bp. Hall. [ 1913 Webster ]

n. Immediateness. [ 1913 Webster ]

a. [ L. Immedicabilis. See In- not, and Medicable. ] Not to be healed; incurable. “Wounds immedicable.” Milton. [ 1913 Webster ]

a. [ Infra + median. ] (Zoological Geog.) Of or pertaining to the interval or zone along the sea bottom, at the depth of between fifty and one hundred fathoms. E. Forbes. [ 1913 Webster ]

n. [ From Intermediate. ] Interposition; intervention. Derham. [ 1913 Webster ]

‖n. pl. [ NL., fr. L. intermedius intermedial. ] (Zool.) The middle pair of tail feathers, or middle rectrices. [ 1913 Webster ]

a. [ Pref. inter- + medial: cf. L. intermedius. ] Lying between; intervening; intermediate. “Intermedial colors.” Evelyn. [ 1913 Webster ]

a. Intermediate. [ Obs. ] [ 1913 Webster ]

a. [ Cf. F. intermédiaire. ] Lying, coming, or done, between; intermediate; as, an intermediary project. [ 1913 Webster ]

Intermediary amputation (Surg.), an amputation for injury, performed after inflammation has set in. [ 1913 Webster ]

n.; pl. Intermediaries One who, or that which, is intermediate; an interagent; a go-between; a mediator. [ 1913 Webster ]

a. [ Pref. inter- + mediate: cf. F. intermédiat. ] 1. Lying or being in the middle place or degree, or between two extremes; coming or done between; intervening; interposed; interjacent; as, an intermediate space or time; intermediate colors. [ 1913 Webster ]

2. Hence: Of or pertaining to an intermediate school; as, intermediate education. [ PJC ]

Intermediate state (Theol.), the state or condition of the soul between the death and the resurrection of the body. --
Intermediate terms (Math.), the terms of a progression or series between the first and the last (which are called the extremes); the means. --
Intermediate tie. (Arch.) Same as Intertie. [ 1913 Webster ]

v. i. To come between; to intervene; to interpose. Milton. [ 1913 Webster ]

n. 1. A person who intermediates between others, especially in negotiations; an intermediary; a mediator. [ PJC ]

2. Something that is intermediate. [ PJC ]

3. Specifically: (Chem.) A compound which is produced in the course of a chemical synthesis, which is not itself the final product, but is used in further reactions which produce the final product; also called synthetic intermediate, intermediate compound or intermediate product; -- contrasted to starting material and end product or final product. There may be many different intermediates between the starting material and end product in the course of a complex synthesis; as, many industrial chemicals are produced primarily to be used as intermediates in other syntheses. The term has the same meaning with respect to intermediate compounds produced in a biosynthetic pathway in living organisms. [ PJC ]

adv. In an intermediate manner; by way of intervention. [ 1913 Webster ]

n. A school having grades at a level between the lower primary grades and the upper secondary grades, being variously grades 4 through 6, or grades 7 through 9, etc. [ PJC ]

n. The act of coming between; intervention; mediation; interposition. Burke. [ 1913 Webster ]

n. A mediator. [ 1913 Webster ]

a. [ L. intermedius. ] Intermediate. [ R. ] Cudworth. [ 1913 Webster ]

n.; pl. Intermediums L. Intermedia [ NL., neut. of L. intermedius intermediate. ] [ 1913 Webster ]

1. Intermediate space. [ R. ] [ 1913 Webster ]

2. An intervening agent or instrument. Cowper. [ 1913 Webster ]

3. (Anat.) The bone or cartilage between the radiale and ulnare in the carpus, and between the tibiale and fibulare in the tarsus. It corresponds to the lunar in the carpus, and to a part of the astragalus in the tarsus of man and most mammals. [ 1913 Webster ]

a. [ L. irremediabilis: cf. F. irrémédiable. See In- not, and Remediable. ] Not to be remedied, corrected, or redressed; incurable; as, an irremediable disease or evil. [ 1913 Webster ]

n. The state or quality of being irremediable. [ 1913 Webster ]

adv. In a manner, or to a degree, that precludes remedy, cure, or correction. [ 1913 Webster ]

‖ [ L. See Matter, and Medical. ] 1. Material or substance used in the composition of remedies; -- a general term for all substances used as curative agents in medicine. [ 1913 Webster ]

2. That branch of medical science which treats of the sources, nature and properties of all the substances that are employed for the cure of diseases, primarily with natural preparations, rather than pure or synthetic medicines; pharmacognosy. [ 1913 Webster +PJC ]

‖ n.; pl. Mediae [ NL., fr. L. medius middle. ] 1. (Phonetics) One of the sonant mutes β, δ, γ (b, d, g), in Greek, or of their equivalents in other languages, so named as intermediate between the tenues, π, τ, κ (p, t, k), and the aspiratae (aspirates) φ, θ, χ (ph or f, th, ch). Also called middle mute, or medial, and sometimes soft mute. [ 1913 Webster ]

n. sing. & pl., 1. The latinic plural form of medium, sometimes used as a singular noun with the same meaning as medium; as, (Computers) place your installation media into the device which will read it; (Microbiology) the tuberculosis bacterium will only grow in a special media. [ 1913 Webster +PJC ]

2. The public institutions that report the news, such as newspapers, magazines, radio, and television, collectively; the news media; as, the media were obsessed with Monica Lewinsky for months. [ PJC ]

n. The state or quality of being mediate. Sir W. Hamilton. [ 1913 Webster ]

a. [ L. medius middle + aevum age. See Middle, and Age. ] Of or relating to the Middle Ages; as, mediaeval architecture. [ Written also medieval. ] [ 1913 Webster ]

n. The method or spirit of the Middle Ages; devotion to the institutions and practices of the Middle Ages; a survival from the Middle Ages. [ Written also medievalism. ] [ 1913 Webster ]

n. One who has a taste for, or is versed in, the history of the Middle Ages; one in sympathy with the spirit or forms of the Middle Ages. [ Written also medievalist. ] [ 1913 Webster ]

adv. In the manner of the Middle Ages; in accordance with mediaevalism. [ 1913 Webster ]

n. pl. The people who lived in the Middle Ages. Ruskin. [ 1913 Webster ]

a. [ L. medialis, fr. medius middle: cf. F. médial. See Middle. ] Of or pertaining to a mean or average; mean; as, medial alligation. [ 1913 Webster ]

n. (Phonetics) See 2d Media. [ 1913 Webster ]

‖n. [ Sp. media luna half-moon. ] (Zool.) See Half-moon. [ 1913 Webster ]

a. [ L. medianus, fr. medius middle. See Medial. ] 1. Being in the middle; running through the middle; as, a median groove. [ 1913 Webster ]

2. (Zool.) Situated in the middle; lying in a plane dividing a bilateral animal into right and left halves; -- said of unpaired organs and parts; as, median coverts. [ 1913 Webster ]

Median line. (a) (Anat.) Any line in the mesial plane; specif., either of the lines in which the mesial plane meets the surface of the body. (b) (Geom.) The line drawn from an angle of a triangle to the middle of the opposite side; any line having the nature of a diameter. --
Median plane (Anat.), the mesial plane. --
Median point (Geom.), the point where the three median lines of a triangle mutually intersect. [ 1913 Webster ]

n. (Geom.) A median line or point. [ 1913 Webster ]

n. [ L. medians, p. p. of mediare to halve: cf. It. mediante, F. médiante. ] (Mus.) The third above the keynote; -- so called because it divides the interval between the tonic and dominant into two thirds. [ 1913 Webster ]

a. (Anat.) Of or pertaining to a mediastinum. [ 1913 Webster ]

{ ‖ } n. [ NL. mediastinum, fr. L. medius middle; cf. mediastinus helper, a menial servant, LL. mediastinus equiv. to medius: cf F. médiastin. ] (Anat.) A partition; a septum; specifically, the folds of the pleura (and the space included between them) which divide the thorax into a right and left cavity. The space included between these folds of the pleura, called the mediastinal space, contains the heart and gives passage to the esophagus and great blood vessels. [ 1913 Webster ]