SI pikkusühik, mis võrdub vahemaaga, mille valgus läbib vaakumis 1/299792458 sekundiga
the fundamental unit of length of the metric system, now (as an SI unit) defined as equal to the distance travelled by light in a vacuum in 1/299,792,458 second, and approximately equal to 39.37 inches
Online Language Learning Tool SkELL allows users to search for phrases in sentences, collocates and similar words. These examples have been automatically selected and may contain errors.
