shell — less, adj. shell like, adj. /shel/, n. 1. a hard outer covering of an animal, as the hard case of a mollusk, or either half of the case of a bivalve mollusk. 2. any of various objects resembling such a covering, as in shape or in being more or… … Universalium
shell — [shel] n. [ME schelle < OE sciel, akin to MDu schelle < IE base * (s)kel : see SHELF] 1. a hard outer covering, as of a turtle, mollusk, insect, egg, fruit, seed, etc. 2. something like or suggestive of a shell in being hollow, empty, or… … English World dictionary
perypheral electrons — išoriniai elektronai statusas T sritis chemija apibrėžtis Tolimiausiame nuo branduolio sluoksnyje esantys elektronai. atitikmenys: angl. outer shell electrons; perypheral electrons rus. внешние электроны … Chemijos terminų aiškinamasis žodynas
Outer space — For other uses, see Outer space (disambiguation). The boundaries between the Earth s surface and outer space, at the Kármán line, 100 km (62 mi) and exosphere at 690 km (430 mi). Not to scale Outer space is the void that exists beyond any… … Wikipedia
shell — n. & v. n. 1 a the hard outer case of many marine molluscs (cockle shell). b the esp. hard but fragile outer covering of a bird s, reptile s, etc. egg. c the usu. hard outer case of a nut kernel, seed, etc. d the carapace of a tortoise, turtle,… … Useful english dictionary
shell — noun 1》 the hard protective outer case of a mollusc or crustacean. ↘the thin outer covering of a bird s or reptile s egg. ↘the outer case of a nut kernel or seed. ↘the carapace of a tortoise, turtle, or terrapin. ↘the wing cases… … English new terms dictionary
shell — /ʃɛl / (say shel) noun 1. a hard outer covering of an animal, as the hard case of a mollusc, or either half of the case of a bivalve mollusc. 2. any of various objects resembling a shell, as in shape, or in being more or less concave or hollow. 3 …
shell — I. noun Etymology: Middle English, from Old English sciell; akin to Old English scealu shell, Old Norse skel, Lithuanian skelti to split, Greek skallein to hoe Date: before 12th century 1. a. a hard rigid usually largely calcareous covering or… … New Collegiate Dictionary
shell — An outer covering. cytotrophoblastic s. the external layer of fetally derived trophoblastic cells on the maternal surface of the placenta. diffusion s. a small vessel made of a semipermeable membrane … Medical dictionary
outer electron shell — išorinis elektronų sluoksnis statusas T sritis radioelektronika atitikmenys: angl. outer electron shell vok. äußere Elektronenschale, f rus. внешняя электронная оболочка, f pranc. couche externe d électrons, f … Radioelektronikos terminų žodynas