dot i cross t


1 [dot]
a small, roundish mark made with or as if with a pen.
a minute or small spot on a surface; speck: There were dots of soot on the window sill.
anything relatively small or specklike.
a small specimen, section, amount, or portion: a dot of butter.
a period, especially as used when pronouncing an Internet address.
a point placed after a note or rest, to indicate that the duration of the note or rest is to be increased one half. A double dot further increases the duration by one half the value of the single dot.
a point placed under or over a note to indicate that it is to be played staccato.
Telegraphy. a signal of shorter duration than a dash, used in groups along with groups of dashes and spaces to represent letters, as in Morse code.
Printing. an individual element in a halftone reproduction.
verb (used with object), dotted, dotting.
to mark with or as if with a dot or dots.
to stud or diversify with or as if with dots: Trees dot the landscape.
to form or cover with dots: He dotted a line across the page.
Cookery. to sprinkle with dabs of butter, margarine, or the like: Dot the filling with butter.
verb (used without object), dotted, dotting.
to make a dot or dots.
dot one's i's and cross one's t's, to be meticulous or precise, even to the smallest detail.
on the dot, Informal. precisely; exactly at the time specified: The guests arrived at eight o'clock on the dot.
the year dot, British Informal. very long ago.

before 1000; perhaps to be identified with Old English dott head of a boil, though not attested in Middle English; cf. dottle, dit, derivative of Old English dyttan to stop up (probably derivative of dott); cognate with Old High German tutta nipple

dotlike, adjective
dotter, noun Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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World English Dictionary
dot1 (dɒt)
1.  a small round mark made with or as with a pen, etc; spot; speck; point
2.  anything resembling a dot; a small amount: a dot of paint
3.  the mark (˙) that appears above the main stem of the letters i, j
4.  music
 a.  the symbol (·) placed after a note or rest to increase its time value by half
 b.  this symbol written above or below a note indicating that it must be played or sung staccato
5.  maths, logic
 a.  the symbol (.) indicating multiplication or logical conjunction
 b.  a decimal point
6.  Compare dit the symbol (·) used, in combination with the symbol for dash (–), in the written representation of Morse and other telegraphic codes
7.  informal the year dot as long ago as can be remembered
8.  on the dot at exactly the arranged time
vb , dots, dotting, dotted
9.  (tr) to mark or form with a dot: to dot a letter; a dotted crotchet
10.  (tr) to scatter or intersperse (with dots or something resembling dots): bushes dotting the plain
11.  (intr) to make a dot or dots
12.  dot one's i's and cross one's t's to pay meticulous attention to detail
[Old English dott head of a boil; related to Old High German tutta nipple, Norwegian dott, Dutch dott lump]

dot2 (dɒt)
civil law a woman's dowry
[C19: from French, from Latin dōs; related to dōtāre to endow, dāre to give]

Collins English Dictionary - Complete & Unabridged 10th Edition
2009 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009
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Word Origin & History

O.E. dott "speck, head of a boil," perhaps related to tit "nipple." Known from a single source c.1000; the word reappeared with modern meaning "mark" c.1530; not common until 18c. Morse telegraph sense is from 1838. On the dot "punctual" is 1909, in reference to a clock dial face. Dot-matrix first attested
Online Etymology Dictionary, © 2010 Douglas Harper
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American Heritage
Medical Dictionary

dot 1 (dŏt)
A tiny round mark made by or as if by a pointed instrument; a spot.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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American Heritage
Science Dictionary
dot   (dŏt)  Pronunciation Key 
  1. A symbol (·) indicating multiplication, as in 2 · 4 = 8. It is used to indicate the dot product of vectors, for example A · B.

  2. A period, as used as in URLs and e-mail addresses, to separate strings of words, as in

The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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American Heritage
Abbreviations & Acronyms
  1. death on [the operating] table

  2. Department of Transportation

The American Heritage® Abbreviations Dictionary, Third Edition
Copyright © 2005 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
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