Cycadopsida
— Navneord
– Engelsk
~ palmlike gymnosperms: includes the surviving order Cycadales and several extinct orders; possibly not a natural group; in some systems considered a class (Cycadopsida) and in others a subdivision (Cycadophytina or Cycadophyta)
Cycas circinalis
— Navneord
– Engelsk
~ southeastern Indian cycad with palmlike foliage
Cycas
— Navneord
– Engelsk
~ type genus of Cycadaceae: genus of widely distributed Old World evergreen tropical trees having pinnate leaves and columnar stems covered with persistent bases of old leaves
cyclades
— Navneord
– Engelsk
~ the Bronze Age civilization on the Cyclades islands in the southern Aegean Sea that flourished 3000-1100 BC
Cyclades
— Navneord
– Engelsk
~ a group of over 200 islands in the southern Aegean
Cycladic civilisation
— Navneord
– Engelsk
~ the Bronze Age civilization on the Cyclades islands in the southern Aegean Sea that flourished 3000-1100 BC
Cycladic civilization
— Navneord
– Engelsk
~ the Bronze Age civilization on the Cyclades islands in the southern Aegean Sea that flourished 3000-1100 BC
Cycladic culture
— Navneord
– Engelsk
~ the Bronze Age civilization on the Cyclades islands in the southern Aegean Sea that flourished 3000-1100 BC
cyclamen
— Navneord
– Engelsk
~ Mediterranean plant widely cultivated as a houseplant for its showy dark green leaves splotched with silver and nodding white or pink to reddish flowers with reflexed petals
cycle
— Navneord
– Engelsk
~ the unit of frequency; one hertz has a periodic interval of one second (named for Heinrich Rudolph Hertz)
cycle
— Navneord
– Engelsk
~ an interval during which a recurring sequence of events occurs; "the never-ending cycle of the seasons"
cycle
— Navneord
– Engelsk
~ a periodically repeated sequence of events; "a cycle of reprisal and retaliation"
cycle
— Navneord
– Engelsk
~ a single complete execution of a periodically repeated phenomenon; "a year constitutes a cycle of the seasons"
cycle
— Navneord
– Engelsk
~ a series of poems or songs on the same theme; "Schubert's song cycles"
cycle
— Navneord
– Engelsk
~ a wheeled vehicle that has two wheels and is moved by foot pedals
Carnot cycle
— Navneord
– Engelsk
~ a cycle (of expansion and compression) of an idealized reversible heat engine that does work without loss of heat
carbon cycle
— Navneord
– Engelsk
~ a thermonuclear reaction in the interior of stars
cardiac cycle
— Navneord
– Engelsk
~ the complete cycle of events in the heart from the beginning of one heart beat to the beginning of the next; an electrical impulse conducted through the heart muscle that constricts the atria which is followed by constriction of the ventricles; "the cardiac cycle can be shown on an electrocardiogram"
carbon cycle
— Navneord
– Engelsk
~ the organic circulation of carbon from the atmosphere into organisms and back again
citric acid cycle
— Navneord
– Engelsk
~ in all plants and animals: a series of enzymatic reactions in mitochondria involving oxidative metabolism of acetyl compounds to produce high-energy phosphate compounds that are the source of cellular energy