therblig: meaning, definition, pronunciation and examples

Very Rare / Obscure
UK/ˈθɜːblɪɡ/US/ˈθɜːrblɪɡ/

Highly Technical / Academic

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Quick answer

What does “therblig” mean?

A fundamental, indivisible unit of motion in the study of time and motion (work efficiency), used to analyze manual tasks.

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Pronunciation

Definition

Meaning and Definition

A fundamental, indivisible unit of motion in the study of time and motion (work efficiency), used to analyze manual tasks.

In industrial engineering and ergonomics, a standardized classification for any of the basic motions of the human body required to perform a manual operation or task. The concept is used to break down work into measurable elements for analysis and improvement.

Dialectal Variation

British vs American Usage

Differences

No significant differences in meaning or usage. The term is equally obscure in both varieties.

Connotations

Neutral technical term; may carry a slightly historical connotation linked to early 20th-century efficiency studies (Taylorism, Gilbreth).

Frequency

Extremely low frequency in both dialects, confined to specific technical literature.

Grammar

How to Use “therblig” in a Sentence

[Subject] performed/analyzed a therblig.The task was broken down into its constituent therbligs.

Vocabulary

Collocations

strong
basic therbligstandard therbligtherblig analysis
medium
perform a therbligclassify the therbligsmotion and therblig
weak
therblig studytherblig charttherblig method

Examples

Examples of “therblig” in a Sentence

verb

British English

  • The engineer sought to therblig the assembly process for greater clarity.
  • We need to therblig these motions before we can time them.

American English

  • The consultant therbligged the warehouse picking routine.
  • After therbligging the task, they identified several redundant grasps.

adverb

British English

  • The motions were analysed therblig by therblig.
  • He proceeded therblig-wise through the sequence.

American English

  • The process was broken down therblig-by-therblig.
  • She studied the task almost therbligally.

adjective

British English

  • The therblig analysis provided surprising insights.
  • He presented a detailed therblig chart of the procedure.

American English

  • The therblig data was crucial for the simulation model.
  • They used a therblig classification system.

Usage

Meaning in Context

Business

Virtually unused in general business. Potentially referenced in highly specialized operations management or process improvement consulting.

Academic

Used in historical or specialised texts within industrial engineering, ergonomics, and the history of management science.

Everyday

Completely unused and unknown.

Technical

The primary domain. Used to describe and quantify manual operations for efficiency studies.

Vocabulary

Synonyms of “therblig”

Strong

fundamental motion (in Gilbreth's system)

Neutral

basic motionelemental motionwork element

Weak

motion unittask component

Vocabulary

Antonyms of “therblig”

macro-motioncomplete taskunanalyzed operation

Watch out

Common Mistakes When Using “therblig”

  • Misspelling as 'therblig' (missing 'h') or 'therblig'.
  • Using it as a general term for any small part of a job.
  • Pronouncing the 'th' as in 'the' (/ð/) instead of the voiceless 'th' (/θ/) as in 'think'.

FAQ

Frequently Asked Questions

Yes, but it is a highly specialised technical term from the field of industrial engineering and motion study, coined in the early 20th century.

It is pronounced THUR-blig, with the 'th' as in 'thin' (/θ/) and the stress on the first syllable.

Almost certainly not. It is a niche term used only in specific professional or academic contexts related to work efficiency analysis.

The concept is historically significant and forms the basis of modern ergonomic and process analysis, though the specific term 'therblig' is used less frequently outside of historical or foundational texts.

A fundamental, indivisible unit of motion in the study of time and motion (work efficiency), used to analyze manual tasks.

Therblig is usually highly technical / academic in register.

Phrases

Idioms & Phrases

  • None. The term is purely technical.

Learning

Memory Aids

Mnemonic

Think: 'There's a BLIG piece to every task.' 'Therblig' is 'Gilbreth' spelled backwards (its inventors, Frank and Lillian Gilbreth). Remember it as the backwards name for a fundamental work unit.

Conceptual Metaphor

WORK IS A SEQUENCE OF ATOMS (therbligs as the atoms of motion).

Practice

Quiz

Fill in the gap
In time-motion studies, a is considered an indivisible unit of manual work.
Multiple Choice

What is the origin of the word 'therblig'?