antiparallel

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Word: Antiparallel

Part of Speech: Adjective

Definition: The term "antiparallel" describes two lines, vectors, or objects that are parallel to each other but point in opposite directions. Imagine two arrows that are side by side but one is pointing up and the other is pointing down; they are antiparallel.

Usage Instructions:

• Use "antiparallel" when discussing geometry, physics, or situations where direction is important.
• It's often used in scientific contexts, particularly in discussions about vectors or molecular structures.

Example:

• In physics class, you might say: "The two forces acting on the object are antiparallel, meaning they have the same magnitude but point in opposite directions."

Advanced Usage:

In advanced scientific discussions, "antiparallel" may also refer to specific arrangements in molecular biology, such as the orientation of DNA strands, where one strand runs in the opposite direction to the other.

Word Variants:

• Antiparallelism (noun): The state or condition of being antiparallel.

Different Meanings:

In general use, "antiparallel" is mostly limited to scientific contexts. In everyday language, it is not commonly used outside discussions of geometry or physics.

Synonyms:

• Opposite
• Counterparallel (less common)

Related Terms:

• Parallel: Lines or vectors that run in the same direction.
• Vector: A quantity with both magnitude and direction.

Idioms and Phrasal Verbs:

While there are no common idioms or phrasal verbs directly associated with "antiparallel," you might encounter phrases in physics or mathematics that refer to concepts of directionality, such as "pointing in the same direction" or "acting in opposition."

Summary:

"Antiparallel" is a specific term that describes objects that are parallel but oriented in opposite directions.

Academic

Adjective

1. (especially of vectors) parallel but oppositely directed
   • antiparallel vectors