Dewar bulb
Dewar Dew"ar (d[=u]"[~e]r), Dewar vessel Dew"ar ves`sel, Dewar flask Dew"ar flask [After Sir James Dewar, British physicist.] A double-walled glass vessel for holding liquid air, liquid nitrogen, etc., having the space between the walls exhausted so as to prevent conduction of heat, and sometimes having the glass silvered to prevent absorption of radiant heat; -- called also, according to the particular shape,

{Dewar bulb},

{Dewar tube}, etc. [Webster 1913 Suppl. +PJC]


The Collaborative International Dictionary of English. 2000.

Look at other dictionaries:

  • Dewar — Dew ar (d[=u] [ e]r), Dewar vessel Dew ar ves sel, Dewar flask Dew ar flask [After Sir James Dewar, British physicist.] A double walled glass vessel for holding liquid air, liquid nitrogen, etc., having the space between the walls exhausted so as …   The Collaborative International Dictionary of English

  • Dewar flask — Dewar Dew ar (d[=u] [ e]r), Dewar vessel Dew ar ves sel, Dewar flask Dew ar flask [After Sir James Dewar, British physicist.] A double walled glass vessel for holding liquid air, liquid nitrogen, etc., having the space between the walls exhausted …   The Collaborative International Dictionary of English

  • Dewar tube — Dewar Dew ar (d[=u] [ e]r), Dewar vessel Dew ar ves sel, Dewar flask Dew ar flask [After Sir James Dewar, British physicist.] A double walled glass vessel for holding liquid air, liquid nitrogen, etc., having the space between the walls exhausted …   The Collaborative International Dictionary of English

  • Dewar vessel — Dewar Dew ar (d[=u] [ e]r), Dewar vessel Dew ar ves sel, Dewar flask Dew ar flask [After Sir James Dewar, British physicist.] A double walled glass vessel for holding liquid air, liquid nitrogen, etc., having the space between the walls exhausted …   The Collaborative International Dictionary of English

  • Dew|ar bulb — Dew|ar flask, Dew|ar vessel, Dew|ar bulb, or Dew|ar tube «DOO uhr, DYOO », a glass vessel with double, silvered walls, from between which the air has been removed, used especially as a container for liquefied gases. ╂[< Sir James Dewar, 1842… …   Useful english dictionary

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