51吃瓜 of the Day
More about viridity
English viridity聽鈥済reenness (as of vegetation); youth and inexperience,鈥� comes via Old French 惫颈谤颈诲颈迟茅 鈥済reenness,鈥� from Latin 惫颈谤颈诲颈迟腻蝉 (stem 惫颈谤颈诲颈迟腻迟-) 鈥済reenness (as of vegetation); youth and inexperience鈥� (a sense lacking in the French), a derivative of the adjective viridis 鈥済reen, abounding in vegetation, unripe (vegetables and cereals), clear, fresh (of the air after rain).鈥� Viridity entered English in the 15th century.
how is viridity used?
What intellectual viridity that exemplary creature possesses!
I preface the incident thus abruptly, from a desire to extenuate in some measure at the outset my dear parent’s viridity and trustfulness in the matter ….
simper
verb (used without object)
to smile in a silly, self-conscious way.
More about simper
The verb simper has an uncertain etymology. It may be related to the Danish, Swedish, Norwegian, and Swiss dialect adjective semper 鈥渁ffected, coy,鈥� German zimpfer 鈥渄ainty, affected,鈥� and to Middle Dutch zimperlijk 鈥渁ffected, coy.鈥� Further etymology is unknown. Simper entered English in the 16th century.
how is simper used?
But still she kept on singing, with twisted lips that strove to聽simper ….
I attended private parties in sumptuous evening dress, simpered and aired my graces like a born beau, and polked and schottisched with a step peculiar to myself鈥攁nd the kangaroo.
isobar
noun
a line drawn on a weather map or chart that connects points at which the barometric pressure is the same.
Why Stephanie Abrams chose isobar
"Isobars are lines of constant pressure, and believe it or not, when you look at a bunch of them together, they can tell you a lot about the weather." 鈥擲tephanie Abrams
More about isobar
You may see an isobar on your TV screen or hear the word on your local weather channel and already know or deduce that an isobar is “a line drawn on a weather map connecting points where the barometric pressure is the same.” The prefix iso– is from the Greek combining form iso– 鈥渆qual,鈥� from the adjective 铆蝉辞蝉 鈥渆qual (in number, size, weight, stature, etc.).鈥� It is used mostly in technical terms, as in another meteorological term isotherm聽鈥渁 line on a weather map connecting points having equal temperature,鈥� or in the geometric term isosceles, 鈥�(of a triangle) having two sides equal.鈥� The suffix –bar is interesting: it is a derivative of the Greek noun 产谩谤辞蝉, 鈥渨eight, heavy weight, heaviness, oppressiveness.鈥� 叠谩谤辞蝉 is related to the adjective 产补谤媒蝉 鈥渉eavy (in weight), low (in tone),鈥� as in English baritone. Isobar entered English in the 19th century.
how is isobar used?
These are lines of equal pressure known as isobars, which reveal wind speed and direction and allow forecasters to spot features such as highs, lows, troughs and ridges that are associated with particular types of weather.
The isobars (lines of equal pressure) of a weather chart are much like the contour lines of a topo map.