Jan 3, 2015 · The meaning of SUBSTANCE is essential nature : essence. How to use substance in a sentence.

SUBSTANCE definition: that of which a thing consists; physical matter or material. See examples of substance used in a sentence.

An ecosystem is a system controlled by the flow of energy, and substances such as water, carbon and phosphorus, exchanged among living things.

Definition of substance noun in Oxford Advanced Learner's Dictionary. Meaning, pronunciation, picture, example sentences, grammar, usage notes, synonyms and more.

Any material that possesses physical properties is called a substance. The word also refers to the gist or main idea of something. If you remember the main point of a lesson, you've got the substance.

Define Substances. Substances synonyms, Substances pronunciation, Substances translation, English dictionary definition of Substances. n. 1. a. That which has mass and occupies space; matter. b. A …

The pancreas secretes a substance called insulin. The floor was covered with a white, powdery substance that turned out to be flour. He had a history of substance abuse. When has he ever said …

All athletes are tested for illegal substances. This substance is so radioactive that it glows in the dark. This substance stretches to any shape you want. Rubber is a flexible substance. Two days after he'd …

Sep 19, 2025 · The use and misuse of alcohol, tobacco, illicit drugs, and prescription medications affect the health and well-being of millions of Americans.

Some chemical substances can be combined or converted into new substances by means of chemical reactions. Chemicals that do not possess this ability are said to be inert. Pure water is an example of …