- Look up
cycle, cyclic, or
cyclical in Wiktionary, the free dictionary.
Cycle,
cycles, or
cyclic may
refer to:
Cyclic history, a
theory of
history Cyclical...
-
Cycling, also
known as
bicycling or biking, is the
activity of
riding a
bicycle or
other type of
cycle. It encomp****es the use of human-powered vehicles...
-
mountain bike racing,
track cycling, BMX, and
cycle speedway. Non-racing
cycling sports include artistic cycling,
cycle polo,
freestyle BMX, mountain...
- only cis
structures can
undergo the
cyclization step themselves,
trans structures can
isomerize in situ and then
cyclize. In
keeping with the Woodward–Hoffmann...
- Look up life
cycle in Wiktionary, the free dictionary. Life
cycle, life-
cycle, or
lifecycle may
refer to:
Biological life
cycle, the
sequence of life stages...
- The
citric acid
cycle—also
known as the
Krebs cycle, Szent–Györgyi–Krebs
cycle, or TCA
cycle (tricarboxylic acid
cycle)—is a
series of
biochemical reactions...
- The
menstrual cycle is a
series of
natural changes in
hormone production and the
structures of the
uterus and
ovaries of the
female reproductive system...
- The
water cycle (or
hydrologic cycle or
hydrological cycle) is a
biogeochemical cycle that
involves the
continuous movement of
water on,
above and below...
- The
carbon cycle is that part of the
biogeochemical cycle by
which carbon is
exchanged among the biosphere, pedosphere, geosphere, hydrosphere, and atmosphere...
- The
Solar cycle, also
known as the
solar magnetic activity cycle,
sunspot cycle, or
Schwabe cycle, is a
periodic 11-year
change in the Sun's activity...
