Astronomy. pertaining to a conjunction, or to two successive conjunctions of the same bodies.
of or relating to a synod; synodal.
relating to or involving a conjunction or two successive conjunctions of the same star, planet, or satellite: the synodic month
Relating to the conjunction of celestial bodies, especially to the interval between two successive conjunctions of a planet or the Moon with the Sun as viewed from Earth. For example, the new moon comes at the conjunction of the Moon with the Sun; the interval between successive new moons (the time it takes for the Moon to orbit the Earth and return to conjunction with the Sun) is the Moon’s synodic period, also called a lunar month. Synodic time differs from sidereal time, which is measured in relation to the stars and is generally more appropriate to astronomical observation.
noun 1. See under month (def 5). noun 1. Also called calendar month. any of the twelve parts, as January or February, into which the calendar year is divided. 2. the time from any day of one calendar month to the corresponding day of the next. 3. a period of four weeks or 30 days. […]
- Synod of whitby
noun 1. the synod held in 664 at Whitby at which the Roman date for Easter was accepted and the Church in England became aligned with Rome
adjective, Botany. 1. having male and female flowers on one head, as in many composite plants. adjective 1. (of a bryophyte) having male and female organs together on a branch, usually mixed at the tip
noun 1. an insect that lives in the nests of social insects, esp ants, without receiving any attentions from the inmates Compare symphile