GLACIAL PERIOD • E-FREE TRANSLATION.COM • Definition of Glacial period

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/glˈeɪʃəl pˈɪriəd/ Listen

adjective

Glacial adj.

Pertaining to ice or to its action; consisting of ice; frozen; icy; esp., pertaining to glaciers; as, glacial phenomena.

(Chem.) Resembling ice; having the appearance and consistency of ice; said of certain solid compounds; as, glacial phosphoric or acetic acids.

Glacial acid (Chem.), an acid of such strength or purity as to crystallize at an ordinary temperature, in an icelike form; as acetic or carbolic acid.

Glacial drift (Geol.), earth and rocks which have been transported by moving ice, land ice, or icebergs; bowlder drift.

Glacial epoch or Glacial period (Geol.), a period during which the climate of the modern temperate regions was polar, and ice covered large portions of the northern hemisphere to the mountain tops.

Glacial theory or Glacial hypothesis. (Geol.) See Glacier theory, under Glacier.

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Etymology of 'Glacial period'

Collaborative International Dictionary of English 0.48

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"Glacial period" Quotes from Famous Books

... European types now have two horns, and in one of the American species (Diceratherium) we see a commencement of the horny growths from the skull. We shall see later that the rhinoceros continued in Europe even during the severe conditions of the glacial period, in a branch that developed ...

— The Story of Evolution • Joseph McCabe

... possible for the children of primary grades to understand certain phases of the subject. The teacher who attempts to make clear the formation of the glacier may find the following quotation from Prof. Shaler helpful: "When a glacial period comes upon a country, the sheets of ice are first imposed upon the mountain tops, and then the ice creeps down the torrent and river beds far below the snow line, in a manner now seen in Switzerland and Norway. As long ...

— The Later Cave-Men • Katharine Elizabeth Dopp

... her work are gone to dust; but there is the needle!—proof positive that the craft existed before the last glacial period in Britain.[15] How long ago this was, we may conjecture, but can never finally ascertain. Then I find embroidery named by the earliest historians, by every poet of antiquity, and by the first travellers in the East; and it has been the subject of laws and enactments from the date of ...

— Needlework As Art • Marian Alford

... mean by primitive, people who inhabited this earth as soon as the vanishing of the glacial period made this earth inhabitable, the Vedic poets were certainly not primitive. If we mean by primitive, people who were without a knowledge of fire, who used unpolished flints, and ate raw flesh, the Vedic poets were not primitive. If we mean by ...

— India: What can it teach us? - A Course of Lectures Delivered before the University Of Cambridge • F. Max Mueller

... opposition to what has been hitherto supposed, meet with the same abundance of animals and plants as in the sea round Spitzbergen. In the Siberian Polar sea, the animal and vegetable types, so far as we can judge beforehand, exclusively consist of survivals from the glacial period, which next preceded the present, which is not the case in the Polar Sea, where the Gulf Stream distributes its waters, and whither it thus carries types from more southerly regions. But a complete and exact knowledge of which animal types are of glacial, and ...

— The Voyage of the Vega round Asia and Europe, Volume I and Volume II • A.E. Nordenskieold

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