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true bug

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noun
  1. bug1(def 1).
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Origin of true bug

First recorded in 1890–95
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

true bug in Science

true bug

[trōō]
  1. Any of various insects of the group Heteroptera. True bugs usually have soft flat bodies, well-developed antennae, and stink glands. They include the water bugs, water striders, bedbugs, cinch bugs, lace bugs, and assassin bugs. Some scientists classify the true bugs as a suborder of the order Hemiptera rather than as a separate insect order. See Note at bug.
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The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.