[ loh-er-keys ]
/ ˈloʊ ərˈkeɪs /
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(of an alphabetic letter) of a particular form often different from and smaller than its corresponding capital letter, and occurring after the initial letter of a proper noun, of the first word in a sentence, etc. The lowercase letters a, b, q, and r have more distinctive shapes than their uppercase counterparts, A, B, Q, and R.
Printing. pertaining to or belonging in the lower case, such as i, p, or d.Compare case2 (def. 8).
verb (used with object), low·er·cased, low·er·cas·ing.
to print or write with a lowercase letter or letters, such as u, w, or j.
a lowercase letter, such as z, y, or k.
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Question 1 of 7
Which sentence is correct?
Compare uppercase.

Origin of lowercase

First recorded in 1675–85; lower1 + case2 (in the sense “a tray divided into compartments for holding types for a compositor to use”)

Other definitions for lowercase (2 of 2)

lower case
[ loh-er ]
/ ˈloʊ ər /

noun Printing.
See under case2 (def. 8).

Origin of lower case

First recorded in 1675–85
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

How to use lowercase in a sentence

British Dictionary definitions for lowercase

lower case

a compositor's type case, in which the small letters are kept
adjective lower-case
of or relating to small letters
verb lower-case
(tr) to print with lower-case letters
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