adj · noun · 13 senses · updated from the 2026-07-25 local source snapshot
Definitions and examples are grouped by meaning. Pronunciation, history, word forms, translations, descendants, synonyms, antonyms, derived terms, and related words appear whenever the source provides them.
Sound
Pronunciation
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Received-Pronunciation:əˈtŏm.ĭk
Received-Pronunciation:/əˈtɒm.ɪk/
General-American:əˈtä.mĭk
General-American:/əˈtɑː.mɪk/
US:Recorded audio is listed in the source snapshot.
Australian:əˈtŏm.ĭk
Australian:/əˈtɔm.ɪk/
rhymes with -ɒmɪk
CMU ARPABET:AH0 T AA1 M IH0 K
Digits mark lexical stress: 1 primary, 2 secondary, 0 unstressed.
1
adj
Meaning 1
Of or relating to atoms; composed of atoms; monatomic.
Definition source: English Wiktionary via Wiktextract
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: none provided
Antonyms: none provided
11
adjective
Meaning 11
(weapons) deriving destructive energy from the release of atomic energy
Definition source: Princeton WordNet 3.0
Examples
nuclear war
nuclear weapons
atomic bombs
Meaning relationships
Synonyms: nuclear
Antonyms: none provided
12
adjective
Meaning 12
of or relating to or comprising atoms
Definition source: Princeton WordNet 3.0
Examples
atomic structure
atomic hydrogen
Meaning relationships
Synonyms: none provided
Antonyms: none provided
13
adjective satellite
Meaning 13
immeasurably small
Definition source: Princeton WordNet 3.0
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: none provided
Antonyms: none provided
History
Etymology
Etymology tree Proto-Indo-European *né Proto-Indo-European *n̥- Proto-Hellenic *ə- Ancient Greek ἀ- (a-) Proto-Indo-European *temh1- Proto-Indo-European *-né- Ancient Greek τέμνω (témnō) Proto-Indo-European *-ós Proto-Hellenic *-ós ▲ Ancient Greek -ος (-os)influ. Ancient Greek -ός (-ós) Ancient Greek *τομός (*tomós) Ancient Greek ἄτομος (átomos)bor. Latin atomusbor. Middle French athomebor. Middle English attome English atom Proto-Indo-European *-ikos Proto-Italic *-ikos Latin -icuslbor. Old French -iquebor. Middle English -ik English -ic English atomic From atom + -ic.
Across languages
Translations
104 source translations are retained for this English entry.
Asturian:
atómicu
— of, or relating to atoms
Breton:
atomek
— of, or relating to atoms
Bulgarian:
а́томен
(átomen)
— of, or relating to atoms
Catalan:
atòmic
— of, or relating to atoms
Dutch:
atomair
— of, or relating to atoms
Finnish:
atomi-
— of, or relating to atoms
Finnish:
atomaarinen
— of, or relating to atoms
Finnish:
atominen
— of, or relating to atoms
French:
atomique
— of, or relating to atoms
Galician:
atómico
— of, or relating to atoms
Georgian:
ატომური
(aṭomuri)
— of, or relating to atoms
German:
atomar
— of, or relating to atoms
German:
atomisch
— of, or relating to atoms
Greek:
ατομικός
(atomikós)
— of, or relating to atoms
Haitian Creole:
atomik
— of, or relating to atoms
Hebrew:
אָטוֹמִי
(atómi)
— of, or relating to atoms
Hindi:
आणविक
(āṇvik)
— of, or relating to atoms
Hungarian:
atomos
— of, or relating to atoms
Hungarian:
atomi
— of, or relating to atoms
Irish:
adamhach
— of, or relating to atoms
Italian:
atomico
— of, or relating to atoms
Latin:
atomicus
— of, or relating to atoms
Manx:
breneenagh
— of, or relating to atoms
Norman:
atonmique
— of, or relating to atoms
Norwegian Bokmål:
atom-
— of, or relating to atoms
Occitan:
atomic
— of, or relating to atoms
Polish:
atomowy
— of, or relating to atoms
Brazilian Portuguese:
atômico
— of, or relating to atoms
European Portuguese:
atómico
— of, or relating to atoms
Romanian:
atomic
— of, or relating to atoms
Russian:
а́томный
(átomnyj)
— of, or relating to atoms
Spanish:
atómico
— of, or relating to atoms
Swedish:
atomär
— of, or relating to atoms
Ukrainian:
а́томний
(átomnyj)
— of, or relating to atoms
Welsh:
atomig
— of, or relating to atoms
Yiddish:
אַטאָמיש
(atomish)
— of, or relating to atoms
Arabic:
نَوَوِيّ
(nawawiyy)
— of, or employing nuclear energy or processes
Arabic:
ذَرِّيّ
(ḏarriyy)
— of, or employing nuclear energy or processes
Belarusian:
а́тамны
(átamny)
— of, or employing nuclear energy or processes
Bulgarian:
а́томен
(átomen)
— of, or employing nuclear energy or processes
Catalan:
atòmic
— of, or employing nuclear energy or processes
Chinese Mandarin:
原子
(yuánzǐ)
— of, or employing nuclear energy or processes
Czech:
atomový
— of, or employing nuclear energy or processes
Dutch:
atomair
— of, or employing nuclear energy or processes
Dutch:
atoom-
— of, or employing nuclear energy or processes
Dutch:
kern-
— of, or employing nuclear energy or processes
Esperanto:
atoma
— of, or employing nuclear energy or processes
Finnish:
ydin-
— of, or employing nuclear energy or processes
French:
atomique
— of, or employing nuclear energy or processes
French:
nucléaire
— of, or employing nuclear energy or processes
Galician:
atómico
— of, or employing nuclear energy or processes
Georgian:
ატომური
(aṭomuri)
— of, or employing nuclear energy or processes
German:
Atom-
— of, or employing nuclear energy or processes
German:
atomar
— of, or employing nuclear energy or processes
Greek:
ατομικός
(atomikós)
— of, or employing nuclear energy or processes
Hebrew:
אָטוֹמִי
(atómi)
— of, or employing nuclear energy or processes
Hindi:
नाभिकीय
(nābhikīya)
— of, or employing nuclear energy or processes
Ido:
atomala
— of, or employing nuclear energy or processes
Italian:
atomico
— of, or employing nuclear energy or processes
Japanese:
原子の
(genshi no)
— of, or employing nuclear energy or processes
Korean:
원자
(wonja)
— of, or employing nuclear energy or processes
Norman:
atonmique
— of, or employing nuclear energy or processes
Norwegian Bokmål:
atom-
— of, or employing nuclear energy or processes
Persian:
اتمی
(atomi)
— of, or employing nuclear energy or processes
Polish:
atomowy
— of, or employing nuclear energy or processes
Portuguese:
nuclear
— of, or employing nuclear energy or processes
Brazilian Portuguese:
atômico
— of, or employing nuclear energy or processes
European Portuguese:
atómico
— of, or employing nuclear energy or processes
Russian:
а́томный
(átomnyj)
— of, or employing nuclear energy or processes
Serbo-Croatian:
атомски
— of, or employing nuclear energy or processes
Serbo-Croatian:
àtōmskī
— of, or employing nuclear energy or processes
Slovene:
atómski
— of, or employing nuclear energy or processes
Spanish:
atómico
— of, or employing nuclear energy or processes
Swedish:
atom-
— of, or employing nuclear energy or processes
Swedish:
kärn-
— of, or employing nuclear energy or processes
Ukrainian:
а́томний
(átomnyj)
— of, or employing nuclear energy or processes
Welsh:
atomig
— of, or employing nuclear energy or processes
Yiddish:
אַטאָמיש
(atomish)
— of, or employing nuclear energy or processes
Finnish:
atomimittakaavainen
— infinitesimally small
French:
microscopique
— infinitesimally small
French:
infinitésimal
— infinitesimally small
Greek:
ατομικός
(atomikós)
— infinitesimally small
Brazilian Portuguese:
atômico
— infinitesimally small
European Portuguese:
atómico
— infinitesimally small
Swedish:
atomisk
— infinitesimally small
Swedish:
atomär
— infinitesimally small
Finnish:
perus-
— unable to be split
Finnish:
jakamaton
— unable to be split
Finnish:
atominen
— unable to be split
French:
atomique
— unable to be split
French:
indivisible
— unable to be split
Greek:
ατομικός
(atomikós)
— unable to be split
Norman:
atonmique
— unable to be split
Swedish:
atomisk
— unable to be split
Swedish:
atomär
— unable to be split
Swedish:
odelbar
— unable to be split
Finnish:
atominen
— computing: guaranteed to either complete fully, or not at all
Finnish:
jakamaton
— computing: guaranteed to either complete fully, or not at all
French:
atomique
— computing: guaranteed to either complete fully, or not at all
French:
indivisible
— computing: guaranteed to either complete fully, or not at all
German:
atomar
— computing: guaranteed to either complete fully, or not at all
Greek:
ατομικός
(atomikós)
— computing: guaranteed to either complete fully, or not at all
Norman:
atonmique
— computing: guaranteed to either complete fully, or not at all
Russian:
атомарный
(atomarnyj)
— computing: guaranteed to either complete fully, or not at all