course session class period recitation | a regularly scheduled session as part of a course of study |
central heating | a heating system in which air or water is heated at a central furnace and sent through the building via vents or pipes and radiators |
heating element | the component of a heater or range that transforms fuel or electricity into heat |
heating pad hot pad | heater consisting of electrical heating elements contained in a flexible pad |
heating system heating plant heating heat | utility to warm a building, the heating system wasn't working, they have radiant heating |
panel heating | heating system consisting of wall or floor or baseboard or ceiling panels containing electric conductors or heating pipes |
period piece | any work of art whose special value lies in its evocation of a historical period |
steam heat steam heating | a heating system in which steam is generated in boilers and piped to radiators |
period point full stop stop full point | a punctuation mark (.) placed at the end of a declarative sentence to indicate a full stop or after abbreviations, in England they call a period a stop |
dielectric heating | heating of an insulator by a high-frequency electric field |
heating warming | the process of becoming warmer, a rising temperature |
induction heating | the heating of a conducting material caused by an electric current induced in it |
menstruation menses menstruum catamenia period flow | the monthly discharge of blood from the uterus of nonpregnant women from puberty to menopause, the women were sickly and subject to excessive menstruation, a woman does not take the gout unless her menses be stopped--Hippocrates, the semen begins to appear in males and to be emitted at the same time of life that the catamenia begin to flow in females--Aristotle |
radiant heating | heating a building by radiation from panels containing hot water or electrical heaters |
fuel oil heating oil | a petroleum product used for fuel |
time period period of time period | an amount of time, a time period ofyears, hastened the period of time of his recovery, Picasso's blue period |
trial period test period | a period of time during which someone or something is tested |
Quaternary Quaternary period Age of Man | last million years |
Tertiary Tertiary period | from million to million years ago |
Cretaceous Cretaceous period | from million to million years ago, end of the age of reptiles, appearance of modern insects and flowering plants |
Jurassic Jurassic period | frommillion to million years ago, dinosaurs, conifers |
Triassic Triassic period | frommillion tomillion years ago, dinosaurs, marine reptiles, volcanic activity |
Permian Permian period | frommillion tomillion years ago, reptiles |
Carboniferous Carboniferous period | from million tomillion years ago |
Pennsylvanian Pennsylvanian period Upper Carboniferous Upper Carboniferous period | frommillion tomillion years ago, warm climate, swampy land |
Mississippian Missippian period Lower Carboniferous Lower Carboniferous period | from million tomillion years ago, increase of land areas, primitive ammonites, winged insects |
Devonian Devonian period Age of Fishes | frommillion to million years ago, preponderance of fishes and appearance of amphibians and ammonites |
Silurian Silurian period | from million tomillion years ago, first air-breathing animals |
Ordovician Ordovician period | from million to million years ago, conodonts and ostracods and algae and seaweeds |
Cambrian Cambrian period | from million to about million years ago, marine invertebrates |
Precambrian Precambrian eon Precambrian aeon Precambrian period | the eon following the Hadean time and preceding the Phanerozoic eon, from about , million years ago until million years ago |
period | the end or completion of something, death put a period to his endeavors, a change soon put a period to my tranquility |
neonatal period | the first days of life |
latency stage latency phase latency period | (psychoanalysis) the fourth period (from about age or until puberty) during which sexual interests are supposed to be sublimated into other activities |
day twenty-four hours twenty-four hour period -hour interval solar day mean solar day | time for Earth to make a complete rotation on its axis, two days later they left, they put on two performances every day, there are , passengers per day |
lunchtime lunch period | the customary or habitual hour for eating lunch, he observed a regular lunchtime |
gestation gestation period | the period during which an embryo develops (about days in humans) |
refractory period | (neurology) the time after a neuron fires or a muscle fiber contracts during which a stimulus will not evoke a response |
overtime period | a period of overtime play to resolve a tie, e.g. basketball |
period geological period | a unit of geological time during which a system of rocks formed, ganoid fishes swarmed during the earlier geological periods |
historic period age | an era of history having some distinctive feature, we live in a litigious age |
ice age glacial period glacial epoch | any period of time during which glaciers covered a large part of the earth's surface, the most recent ice age was during the Pleistocene |
playing period period of play play | (in games or plays or other performances) the time during which play proceeds, rain stopped play in the th inning |
first period | the first division into which the play of a game is divided |
second period | the second division into which the play of a game is divided |
final period | the final division into which the play of a game is divided |
period | (ice hockey) one of three divisions into which play is divided in hockey games |
Baroque Baroque era Baroque period | the historic period from about untilwhen the baroque style of art, architecture, and music flourished in Europe |
Reconstruction Reconstruction Period | the period after the American Civil War when the southern states were reorganized and reintegrated into the Union, - |
latent period | the time that elapses before the presence of a disease is manifested by symptoms |