Period

Science / Chemistry / Period: Rows in the periodic table are called periods. For example, all of the elements in the second row are referred to as 'second period elements'. All elements currently known fall in the first seven periods.
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Other Words for Period

Period Noun Synonyms: interval, time, term, span, duration, spell, space, stretch, while, patch
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Base Period

Business / Finance / Base Period: A particular period of time used for comparative purposes when measuring economic data. MORE

Climacterial Periods

Science / Astrology / Climacterial Periods: Years in life, which are multiples of seven or nine based on the Moon's progression and Saturn's transiting cycle. The progressed Moon squares its natal position approximately every seven years and tr MORE

Plan Period

Business / Finance / Plan Period: Another term for Forecast Period. MORE

Long Period Constituent

Science / Tides and Currents / Long Period Constituent: A tidal or tidal current constituent with a period that is independent of the rotation of the Earth but which depends upon the orbital movement of the Moon or the Earth. The principal lunar long perio MORE

Sign-Up Period

Business / Agriculture / Sign-Up Period: A USDA-prescribed time period, usually lasting several months, when farmers can enroll in a crop price support or other farm program. MORE

Periodical Lunation

Science / Astrology / Periodical Lunation: Term applied to the transiting Moon's monthly return to the exact position occupied in a natal horoscope. See also lunar period. MORE