form
UK /fɔːm/US /fɔɹm/
noun26
- The combination of planes included under a general crystallographic symbol. It is not necessarily a closed solid.
verb9
- To treat (plates) to prepare them for introduction into a storage battery, causing one plate to be composed more or less of spongy lead, and the other of lead peroxide. This was formerly done by repeated slow alternations of the charging current, but later the plates or grids were coated or filled, one with a paste of red lead and the other with litharge, introduced into the cell, and formed by a direct charging current.
forms
form'd · formed · formedst · forming · formeth · forms · formest
Phrases with form