Di- - Definitions from Dictionary.com

11 results for: Di-

Dictionary.com Unabridged (v 1.1) - Cite This Source - Share This

di-1

a prefix occurring in loanwords from Greek, where it meant “two,” “twice,” “double” (diphthong); on this model, freely used in the formation of compound words (dicotyledon; dipolar) and in chemical terms (diatomic; disulfide).

Also, dis-².

Compare mono-.

[Origin: ME ≪ L < Gk, comb. form repr. dís twice, double, akin to dýo two. See bi-, twi-

]

Dictionary.com Unabridged (v 1.1)
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2006.

Encyclopædia Britannica, Inc.
Di-

To learn more about Di- visit Britannica.com

Dictionary.com Unabridged (v 1.1) - Cite This Source - Share This

di-2

var. of dis-¹ before b, d, l, m, n, r, s, v, and sometimes g and j: digest; divide.

Dictionary.com Unabridged (v 1.1)
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2006.

Dictionary.com Unabridged (v 1.1) - Cite This Source - Share This

di-3

var. of dia- before a vowel: diorama.

Dictionary.com Unabridged (v 1.1)
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2006.

American Heritage Dictionary - Cite This Source - Share This

di-¹
pref.

Two; twice; double: dichromatic.
Containing two atoms, radicals, or groups: dichloride.

[Greek; see dwo- in Indo-European roots.]

(Download Now or Buy the Book)

The American Heritage® Dictionary of the English Language, Fourth Edition
Copyright © 2006 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.

American Heritage Dictionary - Cite This Source - Share This

di-²
pref. Variant of dia-.

(Download Now or Buy the Book)

The American Heritage® Dictionary of the English Language, Fourth Edition
Copyright © 2006 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.

American Heritage Dictionary - Cite This Source - Share This

dia- or di-
pref.

Through: diachronic.
Across: diatropism.

[Greek, from dia, through.]

(Download Now or Buy the Book)

The American Heritage® Dictionary of the English Language, Fourth Edition
Copyright © 2006 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.

The American Heritage Science Dictionary - Cite This Source - Share This

di-
A prefix that means "two," "twice," or "double." It is used commonly in chemistry, as in dioxide, a compound having two oxygen atoms.

The American Heritage® Science Dictionary
Copyright © 2002 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.

U.S. Gazetteer - Cite This Source - Share This

Di Giorgio, CA Zip code(s): 93217

Juana Di]az zona, PR (urbana, FIPS 38972) Location: 18.05481 N, 66.50531 W
Population (1990): 9660 (3060 housing units)
Area: 4.0 sq km (land), 0.0 sq km (water)

U.S. Gazetteer, U.S. Census Bureau

Webster's Revised Unabridged Dictionary - Cite This Source - Share This

Di-

Bi-\ [L. bis twice, which in composition drops the -s, akin to E. two. See Bis-, Two, and cf. Di-, Dis-.]

1. In most branches of science bi- in composition denotes two, twice, or doubly; as, bidentate, two-toothed; biternate, doubly ternate, etc.

2. (Chem.) In the composition of chemical names bi- denotes two atoms, parts, or equivalents of that constituent to the name of which it is prefixed, to one of the other component, or that such constituent is present in double the ordinary proportion; as, bichromate, bisulphide. Be- and di- are often used interchangeably.

Acronym Finder - Cite This Source - Share This

DI-

DI-: in Acronym Finder

Browse Nearby Entries: