%tost%

n. 1. 1 a genus of plants including the bearberry; manzanita.
Syn. -- genus Arctostaphylos. [ WordNet 1.5 ]

n. [ Auto- + stability. ] (Mechanics) Automatic stability; also, inherent stability. An aëroplane is inherently stable if it keeps in steady poise by virtue of its shape and proportions alone; it is automatically stable if it keeps in steady poise by means of self-operative mechanism. [ Webster 1913 Suppl. ]

n. 1. an expressway in an Italian-speaking country. [ WordNet 1.5 ]

a. [ Auto- + Gr. sty^los pillar. ] (Anat.) Having the mandibular arch articulated directly to the cranium, as in the skulls of the Amphibia. [ 1913 Webster ]

n. [ Gr. blasto`s sprout, bud + &unr_; a pillar. ] (Zool.) In certain hydroids, an imperfect zooid, whose special function is to produce medusoid buds. See Hydroidea, and Athecata. [ 1913 Webster ]

n. [ Gr. &unr_;&unr_;&unr_;&unr_; bent + &unr_;&unr_;&unr_; pillar. ] (Arch.) A circular projecting portion. [ 1913 Webster ]

n. (Biology) The inhibition or cessation of cell growth or division. [ PJC ]

a. (Biology) Having an inhibitory action on cell growth or cell division. [ PJC ]

n. The mouth of a protozoan. [ WordNet 1.5 ]

n. 1. any slime mold of the genus Dictostylium. [ WordNet 1.5 ]

a. (Physiol.) Of or pertaining to ectostosis; as, ectosteal ossification. [ 1913 Webster ]

‖n. [ NL. See Ect-, and Ostosis. ] (Physiol.) A process of bone formation in which ossification takes place in the perichondrium and either surrounds or gradually replaces the cartilage. [ 1913 Webster ]

‖n.; pl. Entosterna [ NL. See Ento-, and Sternum. ] (Anat.) See Entoplastron. -- En`to*ster"nal a. [1913 Webster]

n. [ Gr. 'e`ntosthe from within + -blast. ] (Biol.) The granule within the nucleolus or entoblast of a nucleated cell. Agassiz. [ 1913 Webster ]

n. [ F. hectostère; Gr. &unr_; hundred + F. stère. ] A measure of solidity, containing one hundred cubic meters, and equivalent to 3531.66 English or 3531.05 United States cubic feet. [ 1913 Webster ]

‖n. pl. [ NL., fr. Gr. lepto`s thin, slender + 'o`strakon shell of a testacean. ] (Zool.) An order of Crustacea, including Nebalia and allied forms. [ 1913 Webster ]

‖n. [ NL., fr. Gr. &unr_; after + &unr_; bone. ] (Anat.) The postero-lateral ossification in the sternum of birds; also, the part resulting from such ossification. [ 1913 Webster ]

n. [ Gr. nhkto`s swimming + E. stem. ] (Zool.) That portion of the axis which bears the nectocalyces in the Siphonophora. [ 1913 Webster ]

a. [ Octo- + Gr. sti`chos a row. ] (Bot.) In eight vertical ranks, as leaves on a stem. [ 1913 Webster ]

a. [ Octo- + Gr. &unr_; a pillar: cf. F. octostyle. ] (Arch.) Having eight columns in the front; -- said of a temple or portico. The Parthenon is octostyle, but most large Greek temples are hexastyle. See Hexastyle. -- n. An octostyle portico or temple. [ 1913 Webster ]

a. [ Odonto- + Gr. &unr_;, &unr_;, the mouth. ] (Zool.) Having toothlike mandibles; -- applied to certain insects. [ 1913 Webster ]

n. [ Oto- + Gr. 'oste`on a bone. ] (Anat.) An auditory ossicle. R. Owen. [ 1913 Webster ]

‖prop. n. pl. [ NL., fr. Gr. phkto`s fixed + 'o`strakon shell of a testacean. ] (Zool.) A degenerate order of Crustacea, including the Rhizocephala and Cirripedia. [ 1913 Webster ]

n. [ testes + o + sterone a steroid ketone. ] a steroid hormone (C19H28O2) produced mostly in the testes, which is responsible for producing the secondary sexual characteristics of males. [ PJC ]

imp. & p. p. of Toss. [ 1913 Webster ]