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CYCLIC |
Periodic |
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FREQUENT |
Periodic |
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OCCASIONAL |
Periodic |
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ELEMENT |
Periodic-table item |
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STIPEND |
Periodic payment |
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ELEMENTS |
Periodic-table items |
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HALOGEN |
Periodic table group |
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HYDROGEN |
First periodic table element |
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CHEMICALELEMENT |
Substance in the periodic table |
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PERIODATE |
A salt of periodic acid. |
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BORON |
Fifth element on the periodic table |
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LEMMINGS |
Arctic rodents prone to periodic mass migrations |
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INTERMITTENT |
Coming and going at intervals; alternating;
recurrent; periodic; as, an intermittent fever. |
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ANNALS |
A periodic publication, containing records of
discoveries, transactions of societies, etc.; as "Annals of Science." |
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ALGOL |
A fixed star, in Medusa's head, in the constellation
Perseus, remarkable for its periodic variation in brightness. |
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MENSES |
The catamenial or menstrual discharge, a periodic flow
of blood or bloody fluid from the uterus or female generative organs. |
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ANTIPERIODIC |
A remedy possessing the property of preventing the
return of periodic paroxysms, or exacerbations, of disease, as in
intermittent fevers. |
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DIPSOMANIA |
A morbid an uncontrollable craving (often periodic) for
drink, esp. for alcoholic liquors; also improperly used to denote acute
and chronic alcoholism. |
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STROBOSCOPE |
An instrument for studying or observing the successive
phases of a periodic or varying motion by means of light which is
periodically interrupted. |
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ORRERY |
An apparatus which illustrates, by the revolution of balls
moved by wheelwork, the relative size, periodic motions, positions,
orbits, etc., of bodies in the solar system. |
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EKABORON |
The name given by Mendelejeff in accordance with the
periodic law, and by prediction, to a hypothetical element then
unknown, but since discove... |
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SCANDIUM |
...
existence was predicted under the provisional name ekaboron by means of
the periodic law, and subsequently discovered by spectrum analysis in
... |