| undulate | (vi) กระเพื่อม, Syn. flap, wave | | undulate | (vt) ทำให้กระเพื่อม, See also: ทำให้เป็นคลื่น, Syn. ripple, ruffle | | undulate | (vi) (เสียง)ดังขึ้นๆลงๆ, See also: เสียง มีระดับความดังเป็นช่วงๆ | | undulate | (adj) ซึ่งเคลื่อนไหวแบบคลื่น, See also: ซึ่งเป็นลอน, Syn. hilly, wavy, Ant. smooth | | undulation | (n) การเคลื่อนไหวเป็นลูกคลื่น | | undulation | (n) การเป็นลูกคลื่น, See also: การเป็นลอน, ลักษณะเป็นลูกคลื่น, Syn. twist, wave | | undulatory | (adj) เป็นลูกคลื่น, See also: เป็นลอน, มีลักษณะเป็นคลื่น, มีลักษณะเป็นลอน |
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| | undulate | (อัน'ดิวเลท) vi., vt., adj. (ทำให้) เป็นคลื่น, กระเพื่อม. vt. ทำให้เป็นคลื่น, ทำให้ขึ้น ๆ ลง ๆ, See also: undulator n., Syn. swing, fluctuate | | undulation | (อันดิวเล'เชิน) n. การเป็นลูกคลื่น, การเป็นลอน, คลื่น, กระเพื่อม., Syn. billowing | | undulatory | (อัน'ดิวละทอรี) adj. เป็นลูกคลื่น, เป็นลอน, Syn. undulative, undular |
| | undulate | (vi) เป็นลูกคลื่น, กระเพื่อม, ขึ้นๆลงๆ | | undulation | (n) ความเคลื่อนไหว, ลูกคลื่น, การกระเพื่อม |
| | | | ลอน | (n) undulation, See also: wave, curl, ridge, Syn. ลูกคลื่น, Example: ภูเขาทั้ง 2 ลูกมีสภาพพื้นที่เป็นแบบลอนชัน, Thai Definition: ส่วนที่มีลักษณะสูงๆ ต่ำๆ อย่างลูกคลื่นติดต่อสลับกันไปบนพื้นราบ | | ความผันผวน | (n) fluctuation, See also: undulation, swing, oscillation, Syn. ความปั่นป่วน, ความผันแปร, ความเปลี่ยนแปลง, Ant. ความแน่นอน, Example: สถานการณ์ในรัสเซียยังคงมีความผันผวนอยู่ |
| | ความผันผวน | [khwām phanphūan] (n) EN: fluctuation ; undulation ; swing ; oscillation ; vicissitude ; irregular change FR: fluctuation [ f ] | | ลอน | [løn] (n) EN: wave ; curl ; undulation ; ridge FR: vague [ f ] ; ondulation [ f ] | | ลุ่ม ๆ ดอน ๆ | [lum-lum døn-døn] (adj) EN: undulating ; inconsistent ; uneven | | หยัก | [yak] (adj) EN: wavy ; serrated ; notched ; curly ; undulated FR: denté ; cranté |
| | | | undulate | (v) increase and decrease in volume or pitch, as if in waves | | undulate | (adj) having a wavy margin and rippled surface | | undulation | (n) wavelike motion; a gentle rising and falling in the manner of waves | | undulatory | (adj) resembling waves in form or outline or motion, Syn. undulant |
| | Undulate | a. [ L. undulatus undulated, wavy, a dim. from unda a wave; cf. AS. &unr_;&unr_;, Icel. unnr; perhaps akin to E. water. Cf. Abound, Inundate, Redound, Surround. ] Same as Undulated. [ 1913 Webster ] | | Undulate | v. t. [ imp. & p. p. Undulated p. pr. & vb. n. Undulating. ] To cause to move backward and forward, or up and down, in undulations or waves; to cause to vibrate. [ 1913 Webster ] Breath vocalized, that is, vibrated and undulated. Holder. [ 1913 Webster ] | | Undulate | v. i. To move in, or have, undulations or waves; to vibrate; to wave; as, undulating air. [ 1913 Webster ] | | Undulated | a. 1. Resembling, or in the nature of, waves; having a wavy surface; undulatory. [ 1913 Webster ] 2. (Bot.) Waved obtusely up and down, near the margin, as a leaf or corolla; wavy. [ 1913 Webster ] 3. (Zool.) Formed with elevations and depressions resembling waves; having wavelike color markings; as, an undulated shell. [ 1913 Webster ] | | Undulating | a. Rising and falling like waves; resembling wave form or motion; undulatory; rolling; wavy; as, an undulating medium; undulating ground. -- Un"du*la`ting*ly. adv. [1913 Webster] | | Undulation | n. [ Cf. F. ondulation. ] 1. The act of undulating; a waving motion or vibration; as, the undulations of a fluid, of water, or of air; the undulations of sound. [ 1913 Webster ] 2. A wavy appearance or outline; waviness. Evelyn. [ 1913 Webster ] 3. (Mus.) (a) The tremulous tone produced by a peculiar pressure of the finger on a string, as of a violin. (b) The pulsation caused by the vibrating together of two tones not quite in unison; -- called also beat. [ 1913 Webster ] 4. (Physics) A motion to and fro, up and down, or from side to side, in any fluid or elastic medium, propagated continuously among its particles, but with no translation of the particles themselves in the direction of the propagation of the wave; a wave motion; a vibration. [ 1913 Webster ] | | Undulationist | n. One who advocates the undulatory theory of light. Whewell. [ 1913 Webster ] | | Undulative | a. Consisting in, or accompanied by, undulations; undulatory. [ 1913 Webster ] | | Undulatory | a. [ Cf. F. ondulatoire. ] Moving in the manner of undulations, or waves; resembling the motion of waves, which successively rise or swell rise or swell and fall; pertaining to a propagated alternating motion, similar to that of waves. [ 1913 Webster ]
Undulatory theory, or
Wave theory (of light) (Opt.), that theory which regards the various phenomena of light as due to undulations in an ethereal medium, propagated from the radiant with immense, but measurable, velocities, and producing different impressions on the retina according to their amplitude and frequency, the sensation of brightness depending on the former, that of color on the latter. The undulations are supposed to take place, not in the direction of propagation, as in the air waves constituting sound, but transversely, and the various phenomena of refraction, polarization, interference, etc., are attributable to the different affections of these undulations in different circumstances of propagation. It is computed that the frequency of the undulations corresponding to the several colors of the spectrum ranges from 458 millions of millions per second for the extreme red ray, to 727 millions of millions for the extreme violet, and their lengths for the same colors, from the thirty-eight thousandth to the sixty thousandth part of an inch. The theory of ethereal undulations is applicable not only to the phenomena of light, but also to those of heat. [ 1913 Webster ]
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| | | 波動 | [はどう, hadou] (n, adj-no) (1) wave motion; undulation; surge; (2) wave (physics) #12,674 [Add to Longdo] | | 小節 | [しょうせつ, shousetsu] (n) (1) undulating melodic ornamentation or embellishment, esp. in folk and popular songs; (2) unit of timber measurement #19,194 [Add to Longdo] | | のたりのたり | [notarinotari] (exp) undulating; rolling slowly; gently swelling [Add to Longdo] | | アンジュレーション | [anjure-shon] (n) undulation [Add to Longdo] | | 眼鏡黐之魚 | [めがねもちのうお;メガネモチノウオ, meganemochinouo ; meganemochinouo] (n) (uk) humphead wrasse (Cheilinus undulatus); Napoleon wrasse; Napoleonfish; Maori wrasse [Add to Longdo] | | 起伏 | [きふく, kifuku] (n, vs) (1) undulation; (2) ups and downs; highs and lows; (P) [Add to Longdo] | | 畝ねり | [うねり, uneri] (n) (uk) wave motion; undulation; winding; heaving sea; swell; roller; (P) [Add to Longdo] | | 畝る(P);畝ねる(io) | [うねる, uneru] (v5r, vi) (1) (uk) to wind (of a road, etc.); to meander; to twist; (2) (uk) to undulate; to surge; to swell; to roll; (P) [Add to Longdo] | | 脊黄青鸚哥 | [せきせいいんこ, sekiseiinko] (n) (uk) budgerigar (Melopsittacus undulatus) [Add to Longdo] | | 閃く | [ひらめく, hirameku] (v5k, vi) (1) to flash (lightning, etc.); to flicker (lights); to glitter; (2) to wave; to undulate; (3) to hit on a good idea; to occur to someone; (P) [Add to Longdo] |
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