PEAR BLIGHT • FREE TRANSLATOR.ORG • Definition of Pear blight

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/pɛr blaɪt/ Listen

noun

Pear n. (Bot.) The fleshy pome, or fruit, of a rosaceous tree (Pyrus communis), cultivated in many varieties in temperate climates; also, the tree which bears this fruit. See Pear family, below.

Pear blight.

(a)

(Bot.) A name of two distinct diseases of pear trees, both causing a destruction of the branches, viz., that caused by a minute insect (Xyleborus pyri), and that caused by the freezing of the sap in winter.

(b)

(Zool.) A very small beetle (Xyleborus pyri) whose larvae bore in the twigs of pear trees and cause them to wither.

Pear family (Bot.), a suborder of rosaceous plants (Pomeae), characterized by the calyx tube becoming fleshy in fruit, and, combined with the ovaries, forming a pome. It includes the apple, pear, quince, service berry, and hawthorn.

Pear gauge (Physics), a kind of gauge for measuring the exhaustion of an air-pump receiver; so called because consisting in part of a pear-shaped glass vessel.

Pear shell (Zool.), any marine gastropod shell of the genus Pyrula, native of tropical seas; so called from the shape.

Pear slug (Zool.), the larva of a sawfly which is very injurious to the foliage of the pear tree.

See images of 'Pear blight'

Etymology of 'Pear blight'

Collaborative International Dictionary of English 0.48

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