off-base

[ awf-beys, of- ]
/ ˈɔfˈbeɪs, ˈɒf- /

adjective

located outside the perimeters of a military base: off-base housing for officers.

Origin of off-base

First recorded in 1935–40

Definition for off base (2 of 2)

Origin of base

1
1275–1325; Middle English (noun) < Middle French < Latin basis basis; cf. prisoner's base

Related forms

un·based, adjectivewell-based, adjective

Synonym study

1. Base, basis, foundation refer to anything upon which a structure is built and upon which it rests. Base usually refers to a literal supporting structure: the base of a statue. Basis more often refers to a figurative support: the basis of a report. Foundation implies a solid, secure understructure: the foundation of a skyscraper or a rumor.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

British Dictionary definitions for off base (1 of 2)

base

1
/ (beɪs) /

noun


verb

(tr foll by on or upon) to use as a basis (for); found (on)your criticisms are based on ignorance
(often foll by at or in) to station, post, or place (a person or oneself)

Word Origin for base

C14: from Old French, from Latin basis pedestal; see basis

British Dictionary definitions for off base (2 of 2)

base

2
/ (beɪs) /

adjective


adjective, noun

music an obsolete spelling of bass 1

Derived Forms

basely, adverbbaseness, noun

Word Origin for base

C14: from Old French bas, from Late Latin bassus of low height, perhaps from Greek bassōn deeper
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Medicine definitions for off base

base

[ bās ]

n.

The part of an organ nearest its point of attachment.
A fundamental ingredient; a chief constituent of a mixture.
Any of a large class of compounds, including the hydroxides and oxides of metals, having a bitter taste, a slippery solution, the capacity to turn litmus blue, and to react with acids to form salts.
A molecular or ionic substance capable of combining with a proton to form a new substance.Brønsted base
A nitrogen-containing organic compound that combines in such a manner.
A substance that provides a pair of electrons for a covalent bond with an acid.

The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.

Science definitions for off base

base

[ bās ]

Chemistry
  1. Any of a class of compounds that form hydroxyl ions (OH) when dissolved in water, and whose aqueous solutions react with acids to form salts. Bases turn red litmus paper blue and have a pH greater than 7. Their aqueous solutions have a bitter taste. Compare acid.
  2. See nitrogen base.
Mathematics
  1. The side or face of a geometric figure to which an altitude is or is thought to be drawn. The base can be, but is not always, the bottom part of the figure.
  2. The number that is raised to various powers to generate the principal counting units of a number system. The base of the decimal system, for example, is 10.
  3. The number that is raised to a particular power in a given mathematical expression. In the expression an, a is the base.

The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

Culture definitions for off base

base

Any of a number of bitter-tasting, caustic materials. Technically, a material that produces negative ions in solution. A base is the opposite of an acid and has a pH of 7 to 14. A given amount of a base added to the same amount of an acid neutralizes the acid; water and a salt are produced. Alkalis are bases; ammonia is a common base.


The New Dictionary of Cultural Literacy, Third Edition Copyright © 2005 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

Idioms and Phrases with off base (1 of 2)

off base

Wrong, relying on a mistaken premise, as in His description of the accounting system was totally off base. This metaphoric term originated in baseball, where a runner who steps off a base can be put out. [c. 1940]


Idioms and Phrases with off base (2 of 2)

base

see get to first base; off base; touch base.


The American Heritage® Idioms Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.