irregularly shaped hole

См. также в других словарях:

• Mathematics and Physical Sciences — ▪ 2003 Introduction Mathematics       Mathematics in 2002 was marked by two discoveries in number theory. The first may have practical implications; the second satisfied a 150 year old curiosity.       Computer scientist Manindra Agrawal of the… …   Universalium

• Western architecture — Introduction       history of Western architecture from prehistoric Mediterranean cultures to the present.       The history of Western architecture is marked by a series of new solutions to structural problems. During the period from the… …   Universalium

• military technology — Introduction       range of weapons, equipment, structures, and vehicles used specifically for the purpose of fighting. It includes the knowledge required to construct such technology, to employ it in combat, and to repair and replenish it.… …   Universalium

• Bone — is the substance that forms the skeleton of the body. It is composed chiefly of calcium phosphate and calcium carbonate. It also serves as a storage area for calcium, playing a large role in calcium balance in the blood. The 206 bones in the body …   Medical dictionary

• Ocular prosthesis — For the functional replacement or bionic eye, see Visual prosthetic. An ocular prosthesis …   Wikipedia

• metallurgy — metallurgic, metallurgical, adj. metallurgically, adv. metallurgist /met l err jist/ or, esp. Brit., /meuh tal euhr jist/, n. /met l err jee/ or, esp. Brit., /meuh tal euhr jee/, n. 1. the technique or science of working or heating metals so as… …   Universalium

• John F. Kennedy autopsy — The autopsy of President John F. Kennedy was performed, beginning at about 8 p.m. and ending at about midnight EST, on Nov. 22, 1963, the day of his assassination, at the then Bethesda Naval Hospital in Bethesda, Maryland. The choice of autopsy… …   Wikipedia

• Crickets as pets — A pet cricket and his container made of a gourd. Watercolor by Qi Baishi (1864–1957). Keeping crickets as pets emerged in China in early antiquity. Initially, crickets were kept for their songs (stridulation). In the early 12th century the… …   Wikipedia

• Resonator guitar — A dobro style resonator guitar Dobro style spider resonator (cove …   Wikipedia

• angiosperm — /an jee euh sperrm /, n. Bot. a plant having its seeds enclosed in an ovary; a flowering plant. Cf. gymnosperm. [ANGIO + SPERM] * * * ▪ plant Introduction       any member of the more than 300,000 species of flowering plants (division Anthophyta) …   Universalium

• Haunted Mansion — For the 2003 film adaptation, see The Haunted Mansion (film). For the 2003 video game, see The Haunted Mansion (video game). For the comics, see Haunted Mansion (comics). The Haunted Mansion …   Wikipedia