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Webster’s Dictionary (1828)

98,828 entries. Headwords are matched first, then definition text.

12,465 words match “IF”

Remarked by Grimaldi (1665), and referred by him to a property of light which he called diffraction. Whewell. Diffraction grating. (Optics) See under Grating. -- Diffraction spectrum. (Optics) See under Spectrum.

That produces diffraction.

DIFFRANCHISE; DIFFRANCHISEMENT n.

See Disfranchise, Disfranchisement.

Material which, in the process of catalysis, has diffused or passed through the separating membrane.

DIFFUSE v. 3 definitions

or extend, in all directions; to spread; to circulate; to disseminate; to scatter; as to diffuse information. Thence diffuse His good to worlds and ages infinite. Milton. We find this knowledge diffused among all civilized nations. Whewell.

Spread abroad; dispersed; loose; flowing; diffuse. It grew to be a widely diffused opinion. Hawthorne. -- Dif*fus"ed*ly, adv. -- Dif*fus"ed*ness, n.

In a diffuse manner.

The quality of being diffuse; especially, in writing, the use of a great or excessive number of word to express the meaning; copiousness; verbosity; prolixity.

One who, or that which, diffuses.

DIFFUSIBILITY n.

The quality of being diffusible; capability of being poured or spread out.

DIFFUSIBLE a. 2 definitions

Capable of flowing or spreading in all directions; that may be diffused.

DIFFUSIBLENESS n.

DIFFUSION n. 2 definitions

The act of diffusing, or the state of being diffused; a spreading; extension; dissemination; circulation; dispersion. A diffusion of knowledge which has undermined superstition. Burke.

Having the quality of diffusing; capable of spreading every way by flowing; spreading widely; widely reaching; copious; diffuse. "A plentiful and diffusive perfume." Hare.

DIFFUSIVELY adv.

In a diffusive manner.

DIFFUSIVENESS n.

The quality or state of being diffusive or diffuse; extensiveness; expansion; dispersion. Especially of style: Diffuseness; want of conciseness; prolixity. The fault that I find with a modern legend, it its diffusiveness. Addison.

Tendency to become diffused; tendency, as of heat, to become equalized by spreading through a conducting medium.

Formed like a finger or fingers; finger-shaped; as, a digitiform root.

DIGNIFICATION n.

The act of dignifying; exaltation.

Marked with dignity; stately; as, a dignified judge.