gram

1 of 5

noun (1)

ˈgram 

: any of several leguminous plants (such as a chickpea) grown especially for their seed

also : their seeds

gram

2 of 5

noun (2)

ˈgram 

1

: a metric unit of mass equal to ¹/₁₀₀₀ kilogram and nearly equal to the mass of one cubic centimeter of water at its maximum density see Metric System Table

2

: the weight of a gram under the acceleration of gravity

gram

3 of 5

noun (3)

: grandmother

gram

4 of 5

abbreviation

grammar; grammatical

-gram

5 of 5

noun combining form

: drawing : writing : record

chronogram

telegram

Examples of gram in a Sentence

Recent Examples on the Web

Noun

Not long after MacDougall’s 21 grams experiment, a scientist named Professor Twining attempted to disprove MacDougall by weighing dying mice. —Leah Hudson, Popular Science, 18 Sep. 2025

Interestingly, the Monolith fuel cell is exceptionally powerful for its weight, producing over one watt per gram. —Mrigakshi Dixit, Interesting Engineering, 18 Sep. 2025

Our bodies contain about 140 grams of sulfur. —Sheah Rarback, Miami Herald, 18 Sep. 2025

Using long-term dietary data of habituated chimpanzees from each of the two field sites, the researchers found that chimpanzees consume about 14 grams of pure ethanol per day of foraging, Dudley said. —Soo Kim, MSNBC Newsweek, 18 Sep. 2025

Word History

Etymology

Noun (1)

obsolete Portuguese (now spelled grão), grain, from Latin granum

Noun (2)

French gramme, from Late Latin gramma, a small weight, from Greek grammat-, gramma letter, writing, a small weight, from graphein to write — more at carve

Noun (3)

by shortening & alteration

Noun combining form

Latin -gramma, from Greek, from gramma

First Known Use

Noun (1)

1702, in the meaning defined above

Noun (2)

1810, in the meaning defined at sense 1

Noun (3)

1923, in the meaning defined above

Phrases Containing gram

• centimeter-gram-second
• gram-atomic weight
• gram calorie
• gram equivalent
• gram molecular weight
• gram-negative
• gram-positive
• gram-variable

Rhymes for gram

• am
• bam
• cham
• clam
• damme
• damn
• abraham
• anagram
• cablegram
• cofferdam
• dendrogram
• diagram

Kids Definition

gram

1 of 2 noun

ˈgram

1

: a metric unit of mass equal to ¹⁄₁₀₀₀ kilogram and nearly equal to the mass of one cubic centimeter of water at its maximum density see metric system

2

: the weight of a gram of mass

-gram

2 of 2 noun combining form

ˌgram

: drawing : writing : record

telegram

Etymology

Noun combining form

from Latin -gramma "piece of writing, record," derived from Greek gramma "letter," derived from graphein "to write" — related to graffito, grammar, -graph

Medical Definition

gram

noun

variants or chiefly British gramme

ˈgram 

1

: a metric unit of mass equal to ¹/₁₀₀₀ kilogram and nearly equal to the mass of one cubic centimeter of water at its maximum density

—abbreviation g

2

: the weight of a gram under standard gravity