Definition of "fortis" []

• Articulated with relatively strong pressure of the airstream below the glottis, as in English (p) and (t) compared with (b) and (d). (adjective)
• A fortis consonant. (noun)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

• "The perfumer uses liq.amm. fortis, that is, strong liquid ammonia, and the sesqui-carbonate of ammonia, for preparing the various "salts" that he sells."
• "In word-final position, it has been noted that there is a tendency of neutralization of stop contrasts, favouring aspiration a.k.a. "fortis"."
• "The colon sign ":" is to mark a 'fortis' stop, without imposing exact phonetics."