00:10
00:09
00:08
00:07
00:06
00:05
00:04
00:03
00:02
00:01
| a printed punctuation mark (‽), available only in some typefaces, designed to combine the question mark (?) and the exclamation point (!), indicating a mixture of query and interjection, as after a rhetorical question. |
| a screen or mat covered with a dark material for shielding a camera lens from excess light or glare. |
| water milfoil | |
| —n | |
| any of various pond plants of the genus Myriophyllum, having feathery underwater leaves and small inconspicuous flowers: family Haloragidaceae | |
water milfoil
any member of the genus Myriophyllum (family Haloragaceae), about 45 widely distributed species of submerged freshwater plants with whorls of feathery leaves and emergent, wind-pollinated flowers. Some species are cultivated in pools and aquariums, especially the parrot's feather, or water feather, (M. aquaticum) and the myriad leaf (M. verticillatum).
Learn more about water milfoil with a free trial on Britannica.com.