DICTIONARY ENTRY
4 SYLLABLES
ephemeris time
/ɪ'fɛmərɪs_taɪm/ · ɪfɛmərɪstaɪm
Ephemeris time has 4 syllables: e · phem · er · is time.
e
01
phem
02
er
03
is time
04
noun. (astronomy) a measure of time defined by Earth's orbital motion; terrestrial time is mean solar time corrected for the irregularities of the Earth's motions.
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