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nail, in carpentry

(Encyclopedia)nail, metal pin driven by force applied at one end into pieces of material, usually wood, to join them together. The strength of a nailed joint depends on the properties of the wood, the type and numb...

narcissus, in botany

(Encyclopedia)narcissus: see amaryllis.

moss, in botany

(Encyclopedia)CE5 Life cycle of a moss: A germinating spore forms a transitory branching structure on the soil surface, which develops into the conspicuous gametophyte, the familiar moss plant. Eggs and sperm ar...

motif, in literature

(Encyclopedia)motif mōtēfˈ [key], in literature, term that denotes the recurrent presence of certain character types, objects, settings, or situations in diverse genres and periods of folklore and literature. Ex...

motif, in music

(Encyclopedia)motif, in music: see motive.

mule, in zoology

(Encyclopedia)mule, hybrid offspring of a male donkey (see ass) and a female horse, bred as a work animal. The name is also sometimes applied to the hinny, the offspring of a male horse and female donkey; hinnies a...

mule, in manufacturing

(Encyclopedia)mule, in manufacturing: see spinning. ...

Hercules, in astronomy

(Encyclopedia)Hercules hûrˈkyəlēzˌ [key], in astronomy, northern constellation located between Lyra and Corona Borealis. It is traditionally depicted as the hero Hercules in a kneeling position. There are no v...

harrow, in agriculture

(Encyclopedia)harrow, farm implement, consisting of a wooden or metal framework bearing metal disks, teeth, or sharp projecting points, called tines, which is dragged over plowed land to pulverize the clods of eart...

horn, in music

(Encyclopedia)horn, in symphonic and chamber music: see French horn. ...