The movement caused within a fluid by the tendency of hotter and therefore less dense material to rise, and colder, denser material to sink under the influence of gravity, which consequently results in transfer of heat.
‘the final transfer of energy to the surface is by convection’
‘upward convection in the troposphere carries water vapour and sulphur dioxide above the clouds’ englishadvanced 3000 HirotoShishido
With one side lower or smaller than the other.
'Apparently, I favored left one. She got a little lopsided' english HirotoShishido
A thing that plays a central or essential role in an activity, event, or situation.
‘research is the fulcrum of the academic community’ englishadvanced 3000 HirotoShishido
form of corporal punishment used in certain schools, involving beating with a cane.
‘wrong answers were rewarded by the cane’ english HirotoShishido
Causing hatred or disgust; repulsive.
'you foul loathsome evil little cockroach' english HirotoShishido
An enclosed structure in which material can be heated to very high temperatures, e.g. for smelting metals.
Relating to or denoting a region or climate characterized by mild temperatures.
'The climate temperatures of the Northern Hemisphere gradually become more temperate in the inland tundras(tˈʌndrə) and meadows, and are highest in the tropics' englishadvanced 3000 HirotoShishido
Arousing distaste or opposition; unpleasant or offensive.
‘I find his theory objectionable in its racist undertones’
'That would be objectionable to her'
(unobjectionable≒acceptable) english HirotoShishido
Obtain a patent ［A government authority or licence conferring a right or title for a set period, especially the sole right to exclude others from making, using, or selling an invention)］for (an invention)
'new information technology hardware is usually patented before it's manufactured or implemented' englishadvanced 3000 HirotoShishido
The action of obtaining or consulting material stored in a computer system.
‘online information retrieval’