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 advin•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 |
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involute | involute |
Present |
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I involute | you involute | he/she/it involutes | we involute | you involute | they involute |
Preterite |
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I involuted | you involuted | he/she/it involuted | we involuted | you involuted | they involuted |
Present Continuous |
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I am involuting | you are involuting | he/she/it is involuting | we are involuting | you are involuting | they are involuting |
Present Perfect |
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I have involuted | you have involuted | he/she/it has involuted | we have involuted | you have involuted | they have involuted |
Past Continuous |
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I was involuting | you were involuting | he/she/it was involuting | we were involuting | you were involuting | they were involuting |
Past Perfect |
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I had involuted | you had involuted | he/she/it had involuted | we had involuted | you had involuted | they had involuted |
Future |
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I will involute | you will involute | he/she/it will involute | we will involute | you will involute | they will involute |
Future Perfect |
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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 |
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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 |
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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 |
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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 |
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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 |
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I would involute | you would involute | he/she/it would involute | we would involute | you would involute | they would involute |
Past Conditional |
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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 | ThesaurusAdj. | 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" |
involuteadjectiveDifficult to understand because of intricacy:byzantine, complex, complicated, convoluted, daedal, Daedalian, elaborate, intricate, involved, knotty, labyrinthine, tangled.Translationsinvolute
involute1. 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. involute1. A curve traced by a point at the end of a string as the string is unwound from a stationary cylinder. 2. Curved spirally.AcronymsSeeINVinvolute Related to involute: involute splineSynonyms for involuteadj difficult to understand because of intricacySynonyms- byzantine
- complex
- complicated
- convoluted
- daedal
- Daedalian
- elaborate
- intricate
- involved
- knotty
- labyrinthine
- tangled
Synonyms for involuteadj especially of petals or leaves in budSynonymsRelated Wordsadj (of some shells) closely coiled so that the axis is obscuredRelated Words |