Light-year
[lahyt-yeer, -yeer] /ˈlaɪtˌyɪər, -ˈyɪər/
noun
1.
Astronomy. the distance traversed by light in one mean solar year, about 5.88 trillion mi. (9.46 trillion km): used as a unit in measuring stellar distances.
Abbreviation: lt-yr.
2.
light-years.
light-year
The distance that light travels in a vacuum in one year, equal to about 9.46 trillion km (5.88 trillion mi). Light-years are used in measuring interstellar and intergalactic distances. Compare astronomical unit, parsec.
Read Also:
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1. variant of before a vowel: lignite.
- Lignaloes
[lahy-nal-ohz, lig-] /laɪˈnæl oʊz, lɪg-/ noun, (used with a singular verb) 1. . /laɪˈnæləʊz; lɪɡ-/ noun 1. (functioning as sing) another name for eaglewood (sense 2)
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(only in pl., Heb. ‘ahalim), a perfume derived from some Oriental tree (Num. 24:6), probably the agallochum or aloe-wood. (See ALOES ØT0000183).
- Ligne
[leen; French leen-yuh] /lin; French ˈlin yə/ noun, plural lignes [leenz; French leen-yuh] /linz; French ˈlin yə/ (Show IPA) 1. (in Swiss watchmaking) a unit equal to 0.0888 inch or 2.2558 millimeters, divided into 12 douziemes: used mainly to gauge the thickness of a movement. 2. 1 (def 44).
- Ligneous
[lig-nee-uh s] /ˈlɪg ni əs/ adjective 1. of the nature of or resembling wood; woody. /ˈlɪɡnɪəs/ adjective 1. of or resembling wood adj. “woody,” 1620s, from French ligneux and directly from Latin ligneus, from lignum “wood, firewood” (see ligni-).