a combining form occurring in loanwords from Greek, where it meant “something written,” “drawing” (epigram; diagram); on this model, used in the formation of compound words (oscillogram).

Words nearby -gram

Compare -graph.

Origin of -gram

< Greek -gramma, combining form of grámma something written or drawn; akin to carve

Definition for -gram (2 of 3)


a combining form of gram1: kilogram.

Definition for -gram (3 of 3)


a combining form extracted from telegram, used in the formation of compound words that have the general sense “message, bulletin”: culturegram; electiongram; prophecy-gram.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020

British Dictionary definitions for -gram


n combining form

indicating a drawing or something written or recordedhexagram; telegram

Word Origin for -gram

from Latin -gramma, from Greek, from gramma letter and grammē line
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

Medical definitions for -gram



Something written or drawn; a record:cardiogram.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.