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elongate

/ɪˈlɔːŋɡeɪt//ˈiːlɒŋɡeɪt/·verb
to make or grow longer and typically thinner in form
Fig. 1 — Someone has stepped on a knob of gum outside the post office, and the pavement is not letting the matter go.
01Definition

To elongate is to draw a thing out into a longer, usually thinner form — and, unlike a stretch, the new shape is meant to keep. Glassmakers elongate molten rods; growing cells elongate as a shoot climbs; a painter can elongate every figure on the canvas. Built on Latin longus, 'long', it is the formal, technical member of the family: where everyday things lengthen or stretch, specimens, vowels, shadows in prose, and geometric forms elongate.

02In use
  • iHeated gently, the glass rod elongates into a slender thread.
  • iiThe painter elongated every figure until the saints seemed to float.
  • iiiAs the cells absorb water they elongate, and the shoot straightens toward the light.
03Collocations
  • an elongated shape
  • cells elongate
  • elongate a vowel
  • an elongated figure
  • elongate the spine

Family elongation (noun) · elongated (adjective)

04Relations

=lengthen, stretch, extend, draw out, attenuate

≠shorten, truncate, compress

06TOEFL & IELTS

A register marker: in TOEFL reading it appears in biology and materials passages (cells elongate, metals elongate under load), and using it accurately in writing signals scientific vocabulary. Two traps: the stress moves between accents (US i-LAWNG-gate, UK EE-long-gate), and the adjective is normally elongated, not elongate, outside technical prose. Keep it for physical form — a meeting is prolonged or extended, never elongated.

07Asked
How do you pronounce elongate in American and British English?
The stress moves. American English says i-LAWNG-gate (/ɪˈlɔːŋɡeɪt/), stressing the second syllable; British English says EE-long-gate (/ˈiːlɒŋɡeɪt/), stressing the first. In the noun elongation the two accents agree again — the main stress jumps onto the suffix: elon-GAY-tion. That mobile stress is typical of Latinate -ate verbs, whose -ation nouns always pull the accent forward.
Is 'elongate' also an adjective?
In scientific writing, yes: botanists and zoologists describe an 'elongate leaf' or 'elongate body'. Everywhere else the adjective is elongated — 'an elongated shadow', 'elongated figures'. If you are not writing taxonomy, choose elongated; using bare 'elongate' as an adjective in an essay reads as a mistake rather than a register choice.
What is the difference between elongate and lengthen?
Both mean 'make longer', but elongate is formal and physical — it draws a FORM out, usually thinner, as the gum strand in the scene above is drawn out into a thread that keeps its new length. Lengthen is the everyday, all-purpose verb: days, queues and sleeves lengthen. A tailor lengthens trousers; a cell elongates.
Can you elongate a meeting or a deadline?
It sounds wrong, because elongate belongs to physical shape. Time-things are prolonged or extended: prolong the meeting, extend the deadline. Elongate a vowel is the one respectable time-adjacent use, and even there the vowel is treated as a stretch of sound with a shape. If the object has no form to draw out, choose another verb.
What does elongation mean in biology?
Elongation is the noun — the process of growing or being drawn longer. Biology leans on it heavily: cell elongation is how plant shoots and roots actually gain length, and in protein synthesis 'elongation' names the stage where the amino-acid chain is built out link by link. In materials science it measures how far a metal stretches before it breaks.
Is elongate a formal word?
Yes — it lives in technical and scientific registers: lab reports, anatomy, art criticism, materials testing. In conversation, 'make longer' or 'stretch out' does the job. That register is exactly its exam value: describing a diagram where 'the crystals elongate under pressure' earns precision marks, while 'elongate your essay' would be an error of tone as much as meaning.