51吃瓜 of the Day
More about deltoidal
Deltoidal means 鈥渄elta-shaped,鈥� and river deltas are so named for their resemblance to the triangular Greek letter delta (螖). Delta is adapted from a Phoenician letter, dalt or 诲腻濒别迟, originally meaning 鈥渄oor,鈥� related to Arabic 诲腻濒 (丿) and Hebrew 诲腻濒别迟h (讚鈥�). Deltoidal was first recorded in English in the 1830s.
EXAMPLE OF DELTOIDAL USED IN A SENTENCE
The low tide revealed a deltoidal cluster of narrow channels at the river鈥檚 mouth.
tiramisu
noun
an Italian dessert with coffee and liquor-soaked layers of sponge cake alternating with mascarpone cheese and chocolate.
More about tiramisu
Tiramisu, from Italian 迟颈谤补尘颈蝉霉, is a literal pick-me-up; the term is based on Italian tira, 鈥減ick!鈥�; mi, 鈥渕e鈥�; and su, 鈥渦p.鈥� Tira is the command form of tirare, 鈥渢o pick, pull,鈥� of uncertain origin, while su comes from Latin 蝉奴谤蝉耻尘, 鈥渦pwards.鈥� Tiramisu was first recorded in English in the early 1980s.
EXAMPLE OF TIRAMISU USED IN A SENTENCE
Sweet, savory slices of tiramisu were the most popular dessert at the Venetian restaurant.
turbidity
noun
the state or quality of being clouded or opaque, usually because of suspended matter or stirred-up sediment.
Why the Museum of Science chose turbidity
To find out, watch this video from science communicator Maynard Okereke, better known as the Hip Hop M.D.
Learn more at .
More about turbidity
Turbidity comes from Medieval Latin 迟耻谤产颈诲颈迟腻蝉, which is based on Latin turbidus, meaning 鈥渃onfused, troubled, murky.鈥� Turbidus comes from turba, 鈥渃rowd, turmoil,鈥� which is also the source of , , and . Turbidity was first recorded in English in the 1620s.
EXAMPLE OF TURBIDITY USED IN A SENTENCE
The turbidity of the muddy puddle only increased as a family of geese and goslings waddled through the water.
