DOS

[ daws, dos ]
/ dɔs, dɒs /

noun Computers.

any of several single-user, command-driven operating systems for personal computers, especially MS DOS.

Origin of DOS

d(isk) o(perating) s(ystem)

Definition for dos (2 of 5)

Definition for dos (3 of 5)

DoS
[ daws, dos, dee-oh-es ]
/ dɔs, dɒs, ˈdiˌoʊˈɛs /

Computers. denial-of-service: DoS protection for web servers.

Definition for dos (4 of 5)

Origin of do

1
before 900; Middle English, Old English dōn; cognate with Dutch doen, German tun; akin to Latin -dere to put, facere to make, do, Greek tithénai to set, put, Sanskrit dadhāti (he) puts

WORDS THAT MAY BE CONFUSED WITH do

dew do dew

synonym study for do

3. Do, accomplish, achieve mean to bring some action to a conclusion. Do is the general word: He did a great deal of hard work. Accomplish and achieve both connote successful completion of an undertaking. Accomplish emphasizes attaining a desired goal through effort, skill, and perseverance: to accomplish what one has hoped for. Achieve emphasizes accomplishing something important, excellent, or great: to achieve a major breakthrough.

Definition for dos (5 of 5)

do2
[ doh ]
/ doʊ /

noun, plural dos. Music.

the syllable used for the first tone or keynote of a diatonic scale.
(in the fixed system of solmization) the tone C.Compare sol-fa(def 1), ut.

Origin of do

2
1745–55; < Italian, inverted variant of ut; see gamut
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for dos

British Dictionary definitions for dos (1 of 5)

DOS
/ (dɒs) /

n acronym for trademark computing

disk-operating system, often prefixed, as in MS-DOS and PC-DOS; a computer operating system

British Dictionary definitions for dos (2 of 5)

DO

abbreviation for

Doctor of Optometry
Doctor of Osteopathy

British Dictionary definitions for dos (3 of 5)

do1
/ (duː, unstressed , ) /

verb does, doing, did or done

noun plural dos or do's

Word Origin for do

Old English dōn; related to Old Frisian duān, Old High German tuon, Latin abdere to put away, Greek tithenai to place; see deed, doom

British Dictionary definitions for dos (4 of 5)

do2
/ (dəʊ) /

noun plural dos

a variant spelling of doh 1

British Dictionary definitions for dos (5 of 5)

do3

the internet domain name for

Dominican Republic
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