variation+of+stems
71hand tool — any tool or implement designed for manual operation. * * * Introduction any of the implements used by craftsmen in manual operations, such as chopping, chiseling, sawing, filing, or forging. Complementary tools, often needed as auxiliaries to… …
72hydrosphere — /huy dreuh sfear /, n. the water on or surrounding the surface of the globe, including the water of the oceans and the water in the atmosphere. [1885 90; HYDRO 1 + SPHERE] * * * Discontinuous layer of water at or near the Earth s surface. It… …
73Critical period hypothesis — The critical period hypothesis is the subject of a long standing debate in linguistics and language acquisition over the extent to which the ability to acquire language is biologically linked to age. The hypothesis claims that there is an ideal… …
74Old Norse — dǫnsk tunga, dansk tunga ( Danish tongue ), norrœnt mál ( Norse language ) Spoken in Nordic countries, Scotland, Ireland, England and Wales, Isle of Man, Normandy, Vinland, the Volga and places in between …
75Coppicing — Coppice redirects here. For the locality in Oldham, see Coppice, Greater Manchester. For Bahamian coppice forests, see Bahamian dry forests. A recently coppiced alder stool in Hampshire …
76Spades — For other uses, see Spade (disambiguation). Origin United States Alternative name(s) Call Bridge Type Trick taking …
77Onondaga language — Onondaga Onǫda’gegá’, Onoñda’gegá’ Spoken in Canada, United States Region Six Nations Reserve, Ontario, and central New York Native speakers 65 115 …
78Eastern Pomo language — Eastern Pomo Spoken in United States Region Northern California Native speakers 1[1]  (date missing) …
79Dual inheritance theory — (DIT), also known as gene culture coevolution, was developed in the late 1970s and early 1980s to explain how human behavior is a product of two different and interacting evolutionary processes: genetic evolution and cultural evolution. DIT is a… …
80coleopteran — /koh lee op teuhr euhn, kol ee /, adj. 1. belonging or pertaining to the order Coleoptera. n. 2. a beetle. [1840 50; COLEOPTER(A) + AN] * * * ▪ insect Introduction any member of the insect order Coleoptera, consisting of the beetles and weevils …
