| a calculus or concretion found in the stomach or intestines of certain animals, esp. ruminants, formerly reputed to be an effective remedy for poison. |
| 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. |
| ionic bond | |
| —n | |
| another name for electrovalent bond | |
| ionic bond (ī-ŏn'ĭk) Pronunciation Key
A chemical bond formed between two ions with opposite charges. Ionic bonds form when one atom gives up one or more electrons to another atom. These bonds can form between a pair of atoms or between molecules and are the type of bond found in salts. |
A chemical bond in which one atom gives up an electron to another, thereby generating an electrical force that holds the atoms together.
Note: Many crystals are held together by ionic bonds.