Ablation | n. [ L. ablatio, fr. ablatus p. p. of auferre to carry away; ab + latus, p. p. of ferre carry: cf. F. ablation. See Tolerate. ] 1. A carrying or taking away; removal. Jer. Taylor. [ 1913 Webster ] 2. (Med.) Extirpation. Dunglison. AS [ 1913 Webster ] 3. (Med.) Removing or destroying of a body tissue, especially by a surgical procedure. Dorland. [ AS ] 4. (Geol.) Wearing away; superficial waste, as of glacial ice or snow. Tyndall. [ 1913 Webster ] 5. (Aerospace) Wearing away of the outer layers of a protective shield or surface by the heat and aerodynamic forces caused by flying through the atmosphere at hypersonic speed, as during reentry from space; as, ablation of the heat shield during reentry. [ PJC ] | Ablatitious | a. Diminishing; as, an ablatitious force. Sir J. Herschel. [ 1913 Webster ] | Ablative | a. [ F. ablatif, ablative, L. ablativus fr. ablatus. See Ablation. ] 1. Taking away or removing. [ Obs. ] [ 1913 Webster ] Where the heart is forestalled with misopinion, ablative directions are found needful to unteach error, ere we can learn truth. Bp. Hall. [ 1913 Webster ] 2. (Gram.) Applied to one of the cases of the noun in Latin and some other languages, -- the fundamental meaning of the case being removal, separation, or taking away. [ 1913 Webster ] | Ablative | (Gram.) The ablative case. [ 1913 Webster ] ablative absolute, a construction in Latin, in which a noun in the ablative case has a participle (either expressed or implied), agreeing with it in gender, number, and case, both words forming a clause by themselves and being unconnected, grammatically, with the rest of the sentence; as, Tarquinio regnante, Pythagoras venit, i. e., Tarquinius reigning, Pythagoras came. [ 1913 Webster ]
| Entablature | n. [ OF. entablature: cf. It intavolatura, fr. LL. intabulare to construct a basis; L. in + tabulatum board work, flooring, fr. tabula. See Table. ] (Arch.) The superstructure which lies horizontally upon the columns. See Illust. of Column, Cornice. [ 1913 Webster ] ☞ It is commonly divided into architrave, the part immediately above the column; frieze, the central space; and cornice, the upper projecting moldings. Parker. [ 1913 Webster ] | Tablature | n. [ Cf. F. tablature ancient mode of musical notation. See Table. ] 1. (Paint.) A painting on a wall or ceiling; a single piece comprehended in one view, and formed according to one design; hence, a picture in general. Shaftesbury. [ 1913 Webster ] 2. (Mus.) An ancient mode of indicating musical sounds by letters and other signs instead of by notes. [ 1913 Webster ] The chimes of bells are so rarely managed that I went up to that of Sir Nicholas, where I found who played all sorts of compositions from the tablature before him as if he had fingered an organ. Evelyn. [ 1913 Webster ] 3. (Anat.) Division into plates or tables with intervening spaces; as, the tablature of the cranial bones. [ 1913 Webster ] |
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