Part 293

Di*mor"phic (?), a. Having the property of dimorphism; dimorphous.

Di*mor"phism (?), n. [Cf. F. dimorphisme.] 1. (Biol.) Difference of form between members of the same species, as when a plant has two kinds of flowers, both hermaphrodite (as in the partridge berry), or when there are two forms of one or both sexes of the same species of butterfly.

Dimorphism is the condition of the appearance of the same species under two dissimilar forms.

Darwin.

2. (Crystallog.) Crystallization in two independent forms of the same chemical compound, as of calcium carbonate as calcite and aragonite.

Di*mor"phous (?), a. [Cf. F. dimorphe.] 1. (Biol.) Characterized by dimorphism; occurring under two distinct forms, not dependent on sex; dimorphic.

2. (Crystallog.) Crystallizing under two forms fundamentally different, while having the same chemical composition.

Dim"ple (?), n. [Prob. a nasalized dim. of dip. See Dip, and cf. Dimble.] 1. A slight natural depression or indentation on the surface of some part of the body, esp. on the cheek or chin. Milton.

The dimple of her chin.

Prior.

2. A slight indentation on any surface.

The garden pool's dark surface . . . Breaks into dimples small and bright.

Wordsworth.

Dim"ple, v. i. [imp. & p. p. Dimpled (?); p. pr. & vb. n. Dimpling (?).] To form dimples; to sink into depressions or little inequalities.

And smiling eddies dimpled on the main.

Dryden.

Dim"ple, v. t. To mark with dimples or dimplelike depressions. Shak.

Dim"ple*ment (?), n. The state of being dimpled, or marked with gentle depressions. [R.]

The ground's most gentle dimplement.

Mrs. Browning.

Dim"ply (?), a. Full of dimples, or small depressions; dimpled; as, the dimply pool. Thomson.

Dim"-sight`ed (?), a. Having dim sight; lacking perception. -- Dim"-sight`ed*ness, n.

||Dim"y*a (?), Dim`y*a"ri*a (&?;), n. pl. [NL., fr. Gr. &?; = &?; + &?; to close.] (Zoöl.) An order of lamellibranchiate mollusks having an anterior and posterior adductor muscle, as the common clam. See Bivalve.

Dim`y*a"ri*an (?), a. (Zoöl.) Like or pertaining to the Dimya. -- n. One of the Dimya.

Dim"y*a*ry (?), a. & n. (Zoöl.) Same as Dimyarian.

Din (?), n. [AS. dyne, dyn; akin to Icel. dynr, and to AS. dynian to resound, Icel. dynja to pour down like hail or rain; cf. Skr. dhuni roaring, a torrent, dhvan to sound. Cf. Dun to ask payment.] Loud, confused, harsh noise; a loud, continuous, rattling or clanging sound; clamor; roar.

Think you a little din can daunt mine ears?

Shak.