different between rapid vs exponential

English

Etymology

Borrowed from French rapide, from Latin rapidus.

Pronunciation

• (Received Pronunciation, US) IPA^(key): /??æp?d/

Adjective

rapid (comparative more rapid or rapider, superlative most rapid or rapidest)

1. Very swift or quick.
2. Steep, changing altitude quickly. (of a slope)
3. Needing only a brief exposure time. (of a lens, plate, film, etc.)
4. (England, dialectal) Violent, severe.
5. (obsolete, dialectal) Happy.

Translations

Adverb

rapid (comparative more rapid, superlative most rapid)

1. (archaic or colloquial) Rapidly.

Noun

rapid (plural rapids)

1. (often in the plural) a rough section of a river or stream which is difficult to navigate due to the swift and turbulent motion of the water.
2. (dated) A burst of rapid fire.

Translations

Derived terms

Related terms

• rapt

Anagrams

• Pardi, adrip, pardi, parid

Romanian

Etymology

Borrowed from French rapide, Latin rapidus. Doublet of repede.

Pronunciation

• IPA^(key): /ra?pid/

Adjective

rapid m or n (feminine singular rapid?, masculine plural rapizi, feminine and neuter plural rapide)

1. fast, quick, rapid, swift, speedy, prompt, expeditious

Declension

Synonyms

• repede, iute, gr?bit, prompt, sprinten, înainte

Related terms

• rapiditate

Adverb

rapid

1. quickly, rapidly, swiftly, speedily, promptly, expeditiously

Synonyms

• repede, iute, prompt, degrab?

English

Pronunciation

• (UK) enPR: ?k-sp?-n?n'-ch?l, IPA^(key): /??k.sp??.?n?n.t??l/
• (US) enPR: ?k-sp?-n?n'-ch?l, IPA^(key): /??k.spo?.?n?n.t??l/

Adjective

exponential

1. Relating to an exponent.
2. (mathematics) Expressed in terms of a power of e.
3. (mathematics) Characterised by a rate of change that is proportional to the value of the varying quantity, or, equivalently, by a doubling or halving over successive fixed intervals of time or other parameter.

   exponential growth, exponential decay

   There were two deaths on Monday, four on Tuesday, and eight on Wednesday. The rate of increase seems exponential.

4. (loosely) Characterised by a very rapid rate of change, especially increase.

Usage notes

• In non-technical contexts, the term is sometimes used loosely to refer to any kind of very rapid change, especially increase. This usage is often discouraged unless the change in question is truly exponential; synonyms such as dramatic may be favored instead.

Antonyms

• nonexponential

Derived terms

Translations

Noun

exponential (plural exponentials)

1. (mathematics) Any function that has an exponent as an independent variable.

References

• UCS - The World’s Population Hasn’t Grown Exponentially for at Least Half a Century