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torsion balance

(Encyclopedia)torsion balance, instrument used to measure small forces. It is based on the principle that a wire or thread resists twisting with a force that is proportional to the stress. The torsion balance consi...

orchard

(Encyclopedia)orchard, generally an area on which fruit or nut trees are planted and cultivated. The words grove and plantation are often used when the fruits are tropical, e.g., a “citrus grove” or a “banana...

wallflower

(Encyclopedia)wallflower, Mediterranean perennial (Cheiranthus cheiri) of the family Cruciferae (or Brassicaceae; mustard family), particularly popular in Europe, where it flourishes on old walls. An old-fashioned ...

mantid

(Encyclopedia)mantid or mantis, name applied to the large, slender, slow-moving, winged insects of the family Mantidae in the order Mantodea. Predatory insects, mantids have strong, elongate, spiny front legs, used...

alimony

(Encyclopedia)alimony, in law, allowance for support that an individual pays to his or her former spouse, usually as part of a divorce settlement. It is based on the common law right of a wife to be supported by he...

cold, common

(Encyclopedia)cold, common, acute viral infection of the mucous membranes of the nose and throat, often involving the sinuses. The typical sore throat, sneezing, and fatigue may be accompanied by body aches, headac...

eyeglasses

(Encyclopedia)eyeglasses or spectacles, instrument or device for aiding and correcting defective sight. Eyeglasses usually consist of a pair of lenses mounted in a frame to hold them in position before the eyes. Th...

ferry

(Encyclopedia)ferry, vessel providing passage over a river, lake, or other body of water for passengers, vehicles, or freight; the term is also applied to the place where the crossing is made and, by extension, to ...

bankruptcy

(Encyclopedia)bankruptcy, in law, settlement of the liabilities of a person or organization wholly or partially unable to meet financial obligations. The purposes are to distribute, through a court-appointed receiv...

strength of materials

(Encyclopedia)strength of materials, measurement in engineering of the capacity of metal, wood, concrete, and other materials to withstand stress and strain. Stress is the internal force exerted by one part of an e...