| slovo | definícia |
crookes
(encz) | Crookes, |
crookes
(wn) | Crookes
n 1: English chemist and physicist; discovered thallium;
invented the radiometer and studied cathode rays
(1832-1919) [syn: Crookes, William Crookes, {Sir
William Crookes}] |
| | podobné slovo | definícia |
crookes
(encz) | Crookes, |
crookes tube
(encz) | Crookes tube, |
Crookes layer
(gcide) | Crookes space \Crookes space\ (kr[oo^]ks). [After Sir William
Crookes, English chemist, who first described it.] (Physics)
The dark space within the negative-pole glow at the cathode
of a vacuum tube, observed only when the pressure is low
enough to give a striated discharge; -- called also {Crookes
layer}.
[Webster 1913 Suppl.] |
Crookes space
(gcide) | Crookes space \Crookes space\ (kr[oo^]ks). [After Sir William
Crookes, English chemist, who first described it.] (Physics)
The dark space within the negative-pole glow at the cathode
of a vacuum tube, observed only when the pressure is low
enough to give a striated discharge; -- called also {Crookes
layer}.
[Webster 1913 Suppl.] |
Crookes tube
(gcide) | Crookes tube \Crookes" tube`\ (kr??ks" t?b`). (Phys.)
A vacuum tube in which the exhaustion is carried to a very
high degree, with the production of a distinct class of
effects; -- so called from W. Crookes who introduced it.
[1913 Webster] |
crookes
(wn) | Crookes
n 1: English chemist and physicist; discovered thallium;
invented the radiometer and studied cathode rays
(1832-1919) [syn: Crookes, William Crookes, {Sir
William Crookes}] |
crookes radiometer
(wn) | Crookes radiometer
n 1: electromagnetic radiometer consisting of a small
paddlewheel that rotates when placed in daylight |
crookes tube
(wn) | Crookes tube
n 1: the original gas-discharge cathode-ray tube |
sir william crookes
(wn) | Sir William Crookes
n 1: English chemist and physicist; discovered thallium;
invented the radiometer and studied cathode rays
(1832-1919) [syn: Crookes, William Crookes, {Sir
William Crookes}] |
william crookes
(wn) | William Crookes
n 1: English chemist and physicist; discovered thallium;
invented the radiometer and studied cathode rays
(1832-1919) [syn: Crookes, William Crookes, {Sir
William Crookes}] |
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