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parametric

pa-ruh-MEH-trik /ˌpærəˈmɛtrɪk/

adjectiveC1GRESATGMAT

technicalprofessional

Relating to a system or design where elements are defined by mathematical parameters and geometric relationships rather than fixed dimensions.

Unlike static modeling, parametric design ensures that changing a single variable automatically updates all related components to maintain design intent.

The story behind the word. The word traces back to the Greek 'para' (beside) and 'metron' (measure). In the mid-20th century, mathematicians used it to describe equations defined by independent variables. When computer-aided design emerged in the 1980s, engineers adopted the term to describe models that could morph dynamically based on mathematical rules.

Word relationships

variable-driven: Focuses on the use of variables, whereas parametric implies a deeper mathematical relationship between parts.
algorithmic: Implies a step-by-step logical process, while parametric specifically relates to geometric parameters.

static: A static model has fixed dimensions that must be manually redrawn if changes are made.
non-parametric: Directly denotes a modeling method that does not use associative parameters.

Commonly confused with

geometric: Geometric refers to the shape and form itself, while parametric refers to the mathematical rules that define that shape.

Word family

parameter (noun): A numerical or other measurable factor forming one of a set that defines a system.
parametrize (verb): To express or represent in terms of parameters.

Collocations

parametric modeling
parametric design
parametric constraints
parametric equations

Example sentences

"The software's parametric engine allowed us to change the bolt diameter and watch the entire flange automatically resize." In a professional CAD tutorial explaining modern modeling techniques.

Memory hook

Think of 'parameter' as a 'pair of meters'—two measurements that are mathematically linked. If you change one, the other must adjust to match. Parameters rule the shape.

When not to use

Do not use when describing simple, non-associative 3D models or freeform digital sculpting where dimensions are not driven by mathematical rules.

Fun facts

Parametric design is not just for engineering; famous architects like Zaha Hadid used parametric algorithms to design futuristic buildings with complex, flowing curves.

Related words

constraint, tolerance, mesh

Explore more words

modular, adaptive, algorithmic, structural, integrated, systemic