bone-dry humidity
51Africa — /af ri keuh/, n. 1. a continent S of Europe and between the Atlantic and Indian oceans. 551,000,000; ab. 11,700,000 sq. mi. (30,303,000 sq. km). adj. 2. African. * * * I Second largest continent on Earth. It is bounded by the Mediterranean Sea,… …
52snake — snakelike, adj. /snayk/, n., v., snaked, snaking. n. 1. any of numerous limbless, scaly, elongate reptiles of the suborder Serpentes, comprising venomous and nonvenomous species inhabiting tropical and temperate areas. 2. a treacherous person; an …
53Everglades National Park — IUCN Category Ib (Wilderness Area) …
54radiation — radiational, adj. /ray dee ay sheuhn/, n. 1. Physics. a. the process in which energy is emitted as particles or waves. b. the complete process in which energy is emitted by one body, transmitted through an intervening medium or space, and… …
55infectious disease — Introduction in medicine, a process caused by a microorganism that impairs a person s health. An infection, by contrast, is the invasion of and replication in the body by any of various microbial agents including bacteria, viruses (virus),… …
56Nasal concha — Lateral wall of nasal cavity, showing ethmoid bone in position. (Superior and middle in pink, and inferior in blue.) …
57Red-footed tortoise — Conservation status Endangered ( …
58orthopteran — /awr thop teuhr euhn/, adj. 1. orthopterous. n. 2. an orthopterous insect. [1895 1900; < NL Orthopter(a) (see ORTHOPTERON) + AN] * * * ▪ insect Introduction broadly, any member of one of four insect orders. Orthopteran has come to be regarded… …
59quaternary — /kwot euhr ner ee, kweuh terr neuh ree/, adj., n., pl. quaternaries. adj. 1. consisting of four. 2. arranged in fours. 3. (cap.) Geol. noting or pertaining to the present period of earth history, forming the latter part of the Cenozoic Era,… …
60Orthopedic cast — Arm cast from a wrist fracture An orange short arm cast with a fiber …
