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allograft a tissue graft in which the donor and recipient are of the same species but are genetically different.
allomerism change in chemical composition without accompanying change in crystalline form.
allometric pertaining to allometry.
allometry the growth rate of part of an organism in comparison with the growth rate of the entire organism or some other part of it. [2 definitions]
allomorph any of several alternate structural forms of the same chemical compound; paramorph. [2 definitions]
allopath one who favors or practices allopathy.
allopathy treatment of disease with agents intended to produce effects that are different from those of the disease. (Cf. homeopathy.)
allopatric living in different geographic areas or in isolation, used esp. in reference to closely related species or to different populations of a single species. [2 definitions]
allophone in phonetics, any of the variants of a phoneme.
allosaurus any of various large meat-eating dinosaurs of the Jurassic and Cretaceous periods.
allot to designate (an amount) to be used or given out. [2 definitions]
allotment the act of allotting or something that is allotted; appropriation or share. [2 definitions]
allotrope one of several forms in which a chemical element may exist.
allotropic pertaining to or having the property of allotropy.
allotropy the existence of some chemical elements in more than one structural form.
allottee one who receives an allotment.
all-out using every resource or means available.
allover covering, or repeated over, an entire surface.
all over in every part of something; everywhere.
all over with completed; finished.
allow to permit; let; [5 definitions]