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单词 involute
释义

involute


involuteThe parametric equations of an involute of a circle arex = r cos θ + r θ sin θ, y = r sin θ - r θ cos θ.

in·vo·lute

I0219100 (ĭn′və-lo͞ot′)adj.1. Intricate; complex.2. a. Botany Having the margins rolled inward.b. Zoology Having whorls that enclose and obscure earlier whorls. Used of a gastropod shell.intr.v. in·vo·lut·ed, in·vo·lut·ing, in·vo·lutes To curl inward.n. The curve traced by a point as if it were on a taut string being unwound from another curve.
[Latin involūtus, past participle of involvere, to enwrap; see involve.]
in′vo·lute′ly adv.

involute

adj 1. complex, intricate, or involved 2. (Botany) botany (esp of petals, leaves, etc, in bud) having margins that are rolled inwards 3. (Zoology) (of certain shells) closely coiled so that the axis is obscured n (Mathematics) geometry the curve described by the free end of a thread as it is wound around another curve, the evolute, such that its normals are tangential to the evolute. See also evolute vb (intr) to become involute [C17: from Latin involūtus, from involvere; see involve] ˈinvoˌlutely adv ˌinvoˈlutedly adv

in•vo•lute

(adj., n. ˈɪn vəˌlut; v. ˌɪn vəˈlut)

adj., n., v. -lut•ed, -lut•ing. adj. 1. intricate; complex. 2. curled or curved inward or spirally: a gear with involute teeth. 3. rolled inward from the edge, as a leaf. 4. (of shells) having the whorls closely wound. n. 5. Geom. any curve of which a given curve is the evolute. v.i. 6. to become involute. 7. to return to a normal shape, size, or state. [1655–65; < Latin involūtus, past participle of involvere; see involve] in′vo•lute`ly, adv.

involute


Past participle: involuted
Gerund: involuting
Imperative
involute
involute
Present
I involute
you involute
he/she/it involutes
we involute
you involute
they involute
Preterite
I involuted
you involuted
he/she/it involuted
we involuted
you involuted
they involuted
Present Continuous
I am involuting
you are involuting
he/she/it is involuting
we are involuting
you are involuting
they are involuting
Present Perfect
I have involuted
you have involuted
he/she/it has involuted
we have involuted
you have involuted
they have involuted
Past Continuous
I was involuting
you were involuting
he/she/it was involuting
we were involuting
you were involuting
they were involuting
Past Perfect
I had involuted
you had involuted
he/she/it had involuted
we had involuted
you had involuted
they had involuted
Future
I will involute
you will involute
he/she/it will involute
we will involute
you will involute
they will involute
Future Perfect
I will have involuted
you will have involuted
he/she/it will have involuted
we will have involuted
you will have involuted
they will have involuted
Future Continuous
I will be involuting
you will be involuting
he/she/it will be involuting
we will be involuting
you will be involuting
they will be involuting
Present Perfect Continuous
I have been involuting
you have been involuting
he/she/it has been involuting
we have been involuting
you have been involuting
they have been involuting
Future Perfect Continuous
I will have been involuting
you will have been involuting
he/she/it will have been involuting
we will have been involuting
you will have been involuting
they will have been involuting
Past Perfect Continuous
I had been involuting
you had been involuting
he/she/it had been involuting
we had been involuting
you had been involuting
they had been involuting
Conditional
I would involute
you would involute
he/she/it would involute
we would involute
you would involute
they would involute
Past Conditional
I would have involuted
you would have involuted
he/she/it would have involuted
we would have involuted
you would have involuted
they would have involuted
Thesaurus
Adj.1.involute - especially of petals or leaves in bud; having margins rolled inwardrolledphytology, botany - the branch of biology that studies plantscoiled - curled or wound (especially in concentric rings or spirals); "a coiled snake ready to strike"; "the rope lay coiled on the deck"
2.involute - (of some shells) closely coiled so that the axis is obscuredcoiled - curled or wound (especially in concentric rings or spirals); "a coiled snake ready to strike"; "the rope lay coiled on the deck"

involute

adjectiveDifficult to understand because of intricacy:byzantine, complex, complicated, convoluted, daedal, Daedalian, elaborate, intricate, involved, knotty, labyrinthine, tangled.
Translations
involuto

involute


involute

1. Botany (esp of petals, leaves, etc., in bud) having margins that are rolled inwards 2. (of certain shells) closely coiled so that the axis is obscured 3. Geometry the curve described by the free end of a thread as it is wound around another curve, the evolute, such that its normals are tangential to the evolute

involute

[¦in·və¦lüt] (biology) Being coiled, curled, or rolled in at the edge. (mathematics) A curve produced by any point of a perfectly flexible inextensible thread that is kept taut as it is wound upon or unwound from another curve. A curve that lies on the tangent surface of a given space curve and is orthogonal to the tangents to the given curve. A surface for which a given surface is one of the two surfaces of center.

involute

1. A curve traced by a point at the end of a string as the string is unwound from a stationary cylinder. 2. Curved spirally.
AcronymsSeeINV

involute


Related to involute: involute spline
  • adj

Synonyms for involute

adj difficult to understand because of intricacy

Synonyms

  • byzantine
  • complex
  • complicated
  • convoluted
  • daedal
  • Daedalian
  • elaborate
  • intricate
  • involved
  • knotty
  • labyrinthine
  • tangled

Synonyms for involute

adj especially of petals or leaves in bud

Synonyms

  • rolled

Related Words

  • phytology
  • botany
  • coiled

adj (of some shells) closely coiled so that the axis is obscured

Related Words

  • coiled
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更新时间:2025/3/4 8:08:53