Standard Lemma guide
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
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No pronunciation record was provided for this word.
noun
Any of the atomic orbitals for which the values of the n and l quantum numbers are the same, such as the three 2p or five 3d atomic orbitals.
Definition source: English Wiktionary via Wiktextract
Topics: chemistry, natural-sciences, physical-sciences, physics
No example sentence was provided for this meaning.
Synonyms: none provided
Antonyms: none provided
noun
A child process launched by a shell.
Definition source: English Wiktionary via Wiktextract
Topics: computing, engineering, mathematics, natural-sciences, physical-sciences, sciences
No example sentence was provided for this meaning.
Synonyms: none provided
Antonyms: none provided
History
Etymology tree Proto-Indo-European *upó Proto-Italic *supo Latin sub Latin sub-der. English sub- Proto-Indo-European *(s)kelH- Proto-Indo-European *skolH-yeh2 Proto-Germanic *skaljō Proto-West Germanic *skallju Old English sċiell Middle English schelle English shell English subshell From sub- + shell.
Across languages
4 source translations are retained for this English entry.
