Canadian Postal Code Database. Get all Canadian Postal Codes and their information in one easy to use database. 2010 Census Database. Get the 2010 Census data in an easy to use format for all summary levels: National, State, COunty, City, and Congressional District. Area Code Database.
Indicator Definition. A chemical indicator is a substance that undergoes a distinct observable change when conditions in its solution change. This could be a color change, precipitate formation, bubble formation, temperature change, or other measurable quality.
If you're familiar with the verb to indicate, then indicator should be no problem. An indicator points to, suggests, or shows something. The arrow on a street sign is an indicator telling you which way to go. In other words, temperature is only one indicator of how it feels outside. Air-pressure, humidity, wind-chill, and cloud cover are other important indicators of weather conditions. You might hear a lot from newscasters about economic indicators..