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schematic

skih-MAT-ik /skɪˈmætɪk/

nounadjectiveB2GRESATTOEFL

technicalformal

A simplified graphical diagram representing elements of a system using standardized abstract symbols.

Focuses on logical connections and functional circuit pathways rather than physical spatial scale or location.

The story behind the word. From Ancient Greek 'skhema' (shape or blueprint). Entered English scientific writing to describe structural outlines, becoming standard in electronics by the early 20th century.

Word relationships

diagram: Diagram is a general word; schematic specifically uses standardized, abstract engineering symbols.
blueprint: Blueprints give exact physical dimensions; schematics represent functional circuit connections.

physical layout: Physical layouts depict realistic scale and location, unlike abstract schematics.

Commonly confused with

junction: A schematic is the paper blueprint; a junction is an actual hardware box where wires meet.

Word family

schema (noun): An underlying organizational plan or pattern.
schematically (adverb): In a simplified diagrammatic manner.

Collocations

schematic diagram
wiring schematic
read a schematic
schematic layout

Example sentences

"The technician trace-tested wire path origins on the wiring schematic before opening the panel enclosure." Troubleshooting Blueprint
"A clear schematic diagram allows electricians to understand complex control logic in minutes." Engineering Project

Memory hook

SCHEMATIC is the SCHEME or MAP that shows how current is intended to flow. Symbolic diagram of circuit pathways.

When not to use

Do not confuse a schematic with a architectural floor plan; schematics show structural flow, not real physical measurements.

Fun facts

London Underground subway maps are styled like electrical schematics because function matters more than distance.