a device for creating negatively charged particles in immediately surrounding air, promoted as a cure for various ills.
Basic Spelling Rules ExplainedYou can teach yourself to be a better speller. It is important to realize that learning to spell is a process that is never complete. Spelling is something that everyone has to pay attention to and keep working at it. BASIC SPELLING RULES Short-Vowel Rule: When one-syllable words have a vowel in the middle, the vowel usually has a short sound. Examples: cat, dog, man, …
When Did “Chemical” Become Such A Toxic Word?When people see the word chemical, it tends to inspire fear, but should it?
- ion engine,
- ion exchange,
- ion exchanger,
- ion implantation,
- ion propulsion,
- ion rocket,
- ion trap,
- ion-exchange resin
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019