Go to MSN Homeencarta®
Dictionary
Find
in
Dictionary
Thesaurus
Translations
ABCDEFGHIJKLMNOPQRSTUVWXYZ
Click to move up the list of words
act up
Actaeon
ACTH
actin
actin-
actinal
acting
actinian
actinic
actinide
actinism
actinium
actino-
actinolite
actinometer
actinomorphic
actinomycete
Click to move down the list of words
Also available:

World English Dictionary
Dictionnaire Français

actinic
ac·tin·ic [ ak tínnik ]


adjective 
Definition:
 
of radiation that causes chemical effect: relating to radiation such as ultraviolet radiation that produces a chemical effect

ac·tin·i·cal·ly adverb
Encarta® World English Dictionary [North American Edition] © & (P)2009 Microsoft Corporation. All rights reserved. Developed for Microsoft by Bloomsbury Publishing Plc.
Advertisement
© 2009 Microsoft