precursors

Remember when reducing emissions of acid rain precursors was going to cost so much that a lucrative emissions credit market was going to spring up? joe from Lowell Says:

Matthew Yglesias » An Electrical Grid We Can Believe In 2009

Polyps are abnormal tissue growths of the mucus membrane that are frequently identified as precursors of cancer.

Forbes.com: News David DiSalvo 2011

Foreshocks are basically earthquakes and are identified as precursors only after another quake follows.

Yahoo! News: Business - Opinion 2011

One of the precursors was the 1776 Virginia Declaration of Rights.

Seventh amicus brief in Selman case now up - The Panda's Thumb 2005

One of the precursors was the 1776 Virginia Declaration of Rights.

Seventh amicus brief in Selman case now up - The Panda's Thumb 2005

This evening, at about this time, there is a meeting at the Baghdad center of UNMOVIC, in which technical discussions are being conducted between experts from both side, the Iraqi sides and UNMOVIC, on the question of verification of the destruction of anthrax and VX, in addition to VX precursors, which is the intermediate products -- intermediate chemical materials.

CNN Transcript Mar 2, 2003 2003

Throughout the 1990s, UN inspectors in Iraq supervised or verified the destruction of: about 100,000 chemical munitions over 400 tonnes of bulk chemical agents, and over 2,600 tonnes of chemicals, known as precursors, which could have been used to make weapons.

Iraq: Weapons of Mass Destruction 2002

And I will also be anxious to bring to agreement proposals that are in discussion about closer cooperation to combat the international drugs trade, both in the Caribbean area and in regard to what are known as precursors, which are chemicals which are used in the manufacture of drugs.

President And Irish Pm Bruton In Photo Op ITY National Archives 1996

Recent discoveries in the fossil beds of Nebraska seem also to prove that the horse originated in the Western Hemisphere, for that is the only part of the world where fossil remains have been discovered, showing the various intermediate forms which have been identified as the precursors of the true horse.

The Story of Atlantis and the Lost Lemuria W. Scott-Elliot

Not all massive earthquakes give warning shots like foreshocks, and even when they do, those may only be identified as precursors to something bigger in hindsight.

Boston.com Top Stories 2011