Standard Lemma guide

streamline

noun · verb · 6 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

Each Play button uses your device's default local English voice, or a natural local fallback. The selected voice name appears after playback. This is synthesized speech, not a source recording.

  • /ˈstriːmlaɪn/
  • US: Recorded audio is listed in the source snapshot.
  • CMU ARPABET: S T R IY1 M L AY2 N Digits mark lexical stress: 1 primary, 2 secondary, 0 unstressed.

1

noun

Meaning 1

A line that is tangent to the velocity of flow of a fluid; equivalent to the path of a specific particle in that flow.

Definition source: English Wiktionary via Wiktextract

Topics: natural-sciences, physical-sciences, physics

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

2

noun

Meaning 2

On a weather chart, a line that is tangent to the flow of the wind.

Definition source: English Wiktionary via Wiktextract

Topics: climatology, meteorology, natural-sciences

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

3

verb

Meaning 3

To design and construct the contours of a vehicle etc. so as to offer the least resistance to its flow through a fluid.

Definition source: English Wiktionary via Wiktextract

Usage: transitive

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

4

verb

Meaning 4

To simplify or organize a process in order to increase its efficiency.

Definition source: English Wiktionary via Wiktextract

Usage: broadly, transitive

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

5

verb

Meaning 5

To modernize.

Definition source: English Wiktionary via Wiktextract

Usage: transitive

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

6

verb

Meaning 6

contour economically or efficiently

Definition source: Princeton WordNet 3.0

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

Broader terms: contour

History

Etymology

Etymology tree English stream Proto-Indo-European *līno-der.? Proto-Germanic *līną Proto-Germanic *līnǭ Proto-West Germanic *līnā Old English līne Middle English line English line English streamline From stream + line.

Across languages

Translations

73 source translations are retained for this English entry.

  • Dutch: stroomlijn — line that is tangent to the velocity of flow of a fluid
  • Finnish: virtaviiva — line that is tangent to the velocity of flow of a fluid
  • French: ligne de courant — line that is tangent to the velocity of flow of a fluid
  • Macedonian: струјница (strujnica) — line that is tangent to the velocity of flow of a fluid
  • Polish: linia opływowa — line that is tangent to the velocity of flow of a fluid
  • Portuguese: linha de corrente — line that is tangent to the velocity of flow of a fluid
  • Russian: направле́ние тече́ния (napravlénije tečénija) — line that is tangent to the velocity of flow of a fluid
  • Russian: ли́ния обтека́ния (línija obtekánija) — line that is tangent to the velocity of flow of a fluid
  • Russian: ли́ния пото́ка (línija potóka) — line that is tangent to the velocity of flow of a fluid
  • Russian: ли́ния тече́ния (línija tečénija) — line that is tangent to the velocity of flow of a fluid
  • Russian: ли́ния то́ка (línija tóka) — line that is tangent to the velocity of flow of a fluid
  • Spanish: línea de corriente — line that is tangent to the velocity of flow of a fluid
  • Vietnamese: đường dòng — line that is tangent to the velocity of flow of a fluid
  • Dutch: stroomlijn — meteorology: line that is tangent to the velocity of flow of the wind
  • Finnish: virtaviiva — meteorology: line that is tangent to the velocity of flow of the wind
  • Macedonian: струјница (strujnica) — meteorology: line that is tangent to the velocity of flow of the wind
  • Polish: linia opływowa — meteorology: line that is tangent to the velocity of flow of the wind
  • Russian: ли́ния обтека́ния (línija obtekánija) — meteorology: line that is tangent to the velocity of flow of the wind
  • Russian: ли́ния возду́шного пото́ка (línija vozdúšnovo potóka) — meteorology: line that is tangent to the velocity of flow of the wind
  • Vietnamese: đường dòng — meteorology: line that is tangent to the velocity of flow of the wind
  • Finnish: virtaviivaistaa — to design an object so as to offer least resistance to its flow through a fluid
  • French: fuseler — to design an object so as to offer least resistance to its flow through a fluid
  • Georgian: გარსშემოდენილი (garsšemodenili) — to design an object so as to offer least resistance to its flow through a fluid
  • Georgian: გარსედინი (garsedini) — to design an object so as to offer least resistance to its flow through a fluid
  • Italian: velocizzare — to design an object so as to offer least resistance to its flow through a fluid
  • Polish: nadawać opływowy kształt — to design an object so as to offer least resistance to its flow through a fluid
  • Polish: nadać opływowy kształt — to design an object so as to offer least resistance to its flow through a fluid
  • Russian: придава́ть обтека́емую фо́рму (pridavátʹ obtekájemuju fórmu) — to design an object so as to offer least resistance to its flow through a fluid
  • Spanish: fluidodinamizar — to design an object so as to offer least resistance to its flow through a fluid
  • Spanish: aerodinamizar — to design an object so as to offer least resistance to its flow through a fluid
  • Spanish: hidrodinamizar — to design an object so as to offer least resistance to its flow through a fluid
  • Yiddish: אַרומפֿלייצן (arumfleytsn) — to design an object so as to offer least resistance to its flow through a fluid
  • Azerbaijani: səmərələşdirmək — to simplify a process
  • Azerbaijani: effektivləşdirmək — to simplify a process
  • Chinese Mandarin: 精簡 /精简 (jīngjiǎn) — to simplify a process
  • Chinese Mandarin: 簡化 /简化 (jiǎnhuà) — to simplify a process
  • Finnish: tehostaa — to simplify a process
  • Finnish: keventää — to simplify a process
  • Finnish: sujuvoittaa — to simplify a process
  • French: rationaliser — to simplify a process
  • Italian: razionalizzare — to simplify a process
  • Italian: snellire — to simplify a process
  • Macedonian: рационализи́ра (racionalizíra) — to simplify a process
  • Polish: optymalizować — to simplify a process
  • Polish: zoptymalizować — to simplify a process
  • Portuguese: simplificar — to simplify a process
  • Portuguese: racionalizar — to simplify a process
  • Portuguese: otimizar — to simplify a process
  • Russian: рационализи́ровать (racionalizírovatʹ) — to simplify a process
  • Russian: ускоря́ть (uskorjátʹ) — to simplify a process
  • Serbo-Croatian: racionalizirati — to simplify a process
  • Serbo-Croatian: optimizirati — to simplify a process
  • Spanish: agilizar — to simplify a process
  • Spanish: eficientar — to simplify a process
  • Spanish: eficientizar — to simplify a process
  • Swedish: rationalisera — to simplify a process
  • Vietnamese: tinh giản — to simplify a process
  • Yiddish: עפֿעקטיווירן (efektivirn) — to simplify a process
  • Yiddish: פֿאַרפּשוטערן (farposhetern) — to simplify a process
  • Chinese Mandarin: 現代化 /现代化 (xiàndàihuà) — to modernise
  • Finnish: nykyaikaistaa — to modernise
  • French: moderniser — to modernise
  • Hungarian: korszerűsít — to modernise
  • Italian: modernizzare — to modernise
  • Italian: ottimizzare — to modernise
  • Macedonian: осовременува (osovremenuva) — to modernise
  • Polish: usprawniać — to modernise
  • Polish: usprawnić — to modernise
  • Portuguese: modernizar — to modernise
  • Russian: модернизи́ровать (modɛrnizírovatʹ) — to modernise
  • Vietnamese: hiện đại hoá — to modernise
  • Yiddish: מאָדערניזירן (modernizirn) — to modernise
  • Yiddish: ראַציאָנאַליזירן (ratsyonalizirn) — to modernise