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| a salt of hydrofluoric acid consisting of fluorine, as sodium fluoride, NaF, or a compound containing fluorine, as methyl fluoride, CH3F |
| the molecular weight of a substance expressed in grams; a gram molecule |
| elementary (ˌɛlɪˈmɛntərɪ, -trɪ) | |
| —adj | |
| 1. | not difficult; simple; rudimentary |
| 2. | of or concerned with the first principles of a subject; introductory or fundamental |
| 3. | maths (of a function) having the form of an algebraic, exponential, trigonometric, or a logarithmic function, or any combination of these |
| 4. | chem another word for elemental |
| ele'mentarily | |
| —adv | |
| ele'mentariness | |
| —n | |