from The American Heritage® Dictionary of the English Language, 5th Edition.
- noun The length of time during which a person can concentrate on a subject or idea.
from Wiktionary, Creative Commons Attribution/Share-Alike License.
- noun The length of
time, or spanthat one can pay attention, or concentrateon one topic without becoming distracted.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- noun the length of time you can concentrate on some idea or activity
Sorry, no etymologies found.
Sorry, no example sentences found.