different between regress vs pullback

English

Etymology

(verb) From Latin regressus, past participle of regredior (“to go back”), from re- (“back”) + gradior (“to go”).

Pronunciation

• (noun) IPA^(key): /??i?????s/
• (verb) IPA^(key): /??????s/
• Rhymes: -?s

Noun

regress (countable and uncountable, plural regresses)

1. The act of passing back; passage back; return; retrogression.
   • 1886, Frederic Harrison, The Choice of Books

     Its bearing on the progress or regress of man is not an inconsiderable question.

2. The power or liberty of passing back.
   • 1623, William Shakespeare, The Merry Wives of Windsor

     Thou shalt have egresse and regresse.

3. In property law, the right of a person (such as a lessee) to return to a property.

Coordinate terms

• (permission): ingress, egress

Derived terms

• infinite regress
• Ryle's regress

Synonyms

• retrogress

Verb

regress (third-person singular simple present regresses, present participle regressing, simple past and past participle regressed)

1. (intransitive) To move backwards to an earlier stage; to devolve.
2. (intransitive, astronomy) To move from east to west.
3. (transitive, statistics) To perform a regression on an explanatory variable.

Synonyms

• backslide

Antonyms

• advance
• proceed
• progress

Translations

Related terms

• regression
• regressive

Further reading

• regress in Webster’s Revised Unabridged Dictionary, G. & C. Merriam, 1913.
• regress in The Century Dictionary, New York, N.Y.: The Century Co., 1911.
• regress at OneLook Dictionary Search

Anagrams

• sergers

Crimean Tatar

Etymology

From Latin regressus (“back step”), from re- (“back”) +? gressus (“step”).

Noun

regress

1. regress.

Declension

References

• Mirjejev, V. A.; Usejinov, S. M. (2002) Ukrajins?ko-kryms?kotatars?kyj slovnyk [Ukrainian – Crimean Tatar Dictionary]?^[1], Simferopol: Dolya, ?ISBN

English

Etymology

pull +? back

Noun

pullback (plural pullbacks)

1. The act or result of pulling back; a withdrawal.
2. (film) The act of drawing a camera back to broaden the visible scene.
3. That which holds back, or causes to recede; a drawback; a hindrance.
4. (architecture) The iron hook fixed to a casement to pull it shut, or to hold it partly open at a fixed point.
5. (finance) A reduction in the price of a financial instrument after reaching a peak
6. (sports) An attacking pass from the wing into a position further from the attacking goal line.
7. (historical) A device for making a woman's gown hang close and straight in front.
8. (differential geometry) The map between cotangent bundles of manifolds corresponding to a smooth map between smooth manifolds, which at each point is the dual map to the corresponding pushforward.
9. (category theory) The limit of a cospan: a Cartesian square or “pullback square”.

   Synonyms: fiber product, fibre product, Cartesian square, pullback square

   Hyponyms: equalizer, equaliser

10. (category theory) Within a Cartesian square (which has a pair of divergent morphisms and a pair of convergent morphisms) the divergent morphism which is directly opposite to a given one of the convergent morphisms, said to be “along” the convergent morphism which is between that pair of opposite morphisms. (The pullback is said to be “of” the given morphism.)

See also

• (differential geometry) pushforward
• (category theory) pushout

Anagrams

• puckball