adjective. Relating to or occurring in a 24-hour period; daily.

adjective. Occurring or active during the daytime rather than at night.

adjective. Opening during daylight hours and closing at night.

noun. A book containing all the offices for the daily canonical hours of prayer except matins.

noun. undefined

noun. A diary or journal.

noun. A daily newspaper.

Of or belonging to day; pertaining to the daytime; belonging to the period of daylight, as distinguished from the night: opposed to nocturnal: as, diurnal heat; diurnal hours; diurnal habits, as of an animal.

Daily; happening every day: as, a diurnal task.

Performed in or occupying one day; lasting but for one day; ephemeral.

Constituting the measure of a day, either on the earth or one of the other planets: as, the diurnal revolution of the earth, or of Mars or Jupiter.

Characterized by some change or peculiarity which appears and disappears with the daytime,

noun. A day-book; a diary; a journal.

noun. A daily newspaper.

noun. A Roman Catholic service-book containing the offices for the daily hours of prayer.

noun. In ornithology, a diurnal bird of prey.

noun. In entomology, one of the Diurna.

adjective. Relating to the daytime; belonging to the period of daylight, distinguished from the night; -- opposed to nocturnal

adjective. Daily; recurring every day; performed in a day; going through its changes in a day; constituting the measure of a day

adjective. Opening during the day, and closing at night; -- said of flowers or leaves.

adjective. Active by day; -- applied especially to the eagles and hawks among raptorial birds, and to butterflies (Diurna) among insects.

adjective. the aberration of light arising from the effect of the earth's rotation upon the apparent direction of motion of light.

adjective. the arc described by the sun during the daytime or while above the horizon; hence, the arc described by the moon or a star from rising to setting.

adjective. the apparent circle described by a celestial body in consequence of the earth's rotation.

adjective. the motion of the earth upon its axis which is described in twenty-four hours.

adjective. that apparent motion of the heavenly body which is due to the earth's diurnal motion.

adjective. See under Parallax.

adjective. the motion of the planet upon its own axis which constitutes one complete revolution.

noun. A daybook; a journal.

noun. A small volume containing the daily service for the “little hours,” viz., prime, tierce, sext, nones, vespers, and compline.

noun. A diurnal bird or insect.

adjective. Happening or occurring during daylight, or primarily active during that time.

adjective. Said of a flower open, or releasing its perfume during daylight hours, but not at night.

adjective. Having a daily cycle that is completed every 24 hours, usually referring to tasks, processes, tides, or sunrise to sunset.

adjective. Done once every day; daily, quotidian.

adjective. Published daily.

noun. A flower that opens only in the day.

noun. A book containing canonical offices performed during the day, hence not matins.

noun. A diary or journal.

noun. A daily news publication.

adjective. of or belonging to or active during the day

adjective. having a daily cycle or occurring every day

"Apparently, McLeanian logic tells us that the rotation of the earth also explains the seasons, considering how well it correlates with the short-term diurnal variation..."

diurnal aberration of the fixed stars  diurnal arc  diurnal circle  diurnal inequality  diurnal motion of a planet  

periodic  periodical  

colonel  eternal  external  fraternal  infernal  

carnivorous  circadian  cyclical  easterly  ecbolic  

annual  biannual  biennial  bimonthly  biweekly