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Created page with 'File:lighterstill.jpg '''Fulcrum''', the pivot on which a lever moves. ==Defiinition== *1. A prop or support; now only spec. in Mech. the point against which a lever is ...'
[[File:lighterstill.jpg]]
'''Fulcrum''', the pivot on which a [[lever]] moves.
==Defiinition==
*1. A prop or support; now only spec. in Mech. the point against which a lever is placed to get purchase or upon which it turns or is supported.
*2. (Chiefly pl.) a. Bot. Accessory organs or appendages of a plant; e.g. bracts, stipules, tendrils, etc.
:b. Ichth. (pl.) The small osseous scales arranged in a row and situated on the anterior ray of the fins of many ganoid fishes.
:c. Zool. The stem or median part of the incus of the mastax of certain rotifers.
:d. . Ent. In Diptera, a chitinous portion of the pharynx.
[[Category: General Reference]]
'''Fulcrum''', the pivot on which a [[lever]] moves.
==Defiinition==
*1. A prop or support; now only spec. in Mech. the point against which a lever is placed to get purchase or upon which it turns or is supported.
*2. (Chiefly pl.) a. Bot. Accessory organs or appendages of a plant; e.g. bracts, stipules, tendrils, etc.
:b. Ichth. (pl.) The small osseous scales arranged in a row and situated on the anterior ray of the fins of many ganoid fishes.
:c. Zool. The stem or median part of the incus of the mastax of certain rotifers.
:d. . Ent. In Diptera, a chitinous portion of the pharynx.
[[Category: General Reference]]