interdigitate
C2Technical/Scientific/Formal
Definition
Meaning
To interlock, like the fingers of two clasped hands.
To interweave, mesh, or interpenetrate in a complex, alternating manner. Also used in biology, anatomy, geology, and other technical fields to describe structures that fit together with alternating projections and indentations.
Linguistics
Semantic Notes
Primarily a technical, descriptive verb. It implies a specific structural relationship where parts of two things alternate in position, creating an interlocked pattern. The adjective form 'interdigitated' is more common than the verb in continuous tenses.
Dialectal Variation
British vs American Usage
Differences
No significant differences in meaning or usage. Spelling and pronunciation follow standard national conventions.
Connotations
Neutral technical term in both regions.
Frequency
Equally rare and specialised in both British and American English.
Vocabulary
Collocations
Grammar
Valency Patterns
X interdigitates with YX and Y interdigitateVocabulary
Synonyms
Strong
Neutral
Weak
Vocabulary
Antonyms
Phrases
Idioms & Phrases
- “[none directly associated]”
Usage
Context Usage
Business
Extremely rare. Could be used metaphorically to describe merging departments or business functions.
Academic
Used in life sciences (e.g., anatomy, cell biology, paleontology), earth sciences, and engineering to describe physical structures.
Everyday
Virtually never used.
Technical
Primary domain. Describes the physical fitting together of components, structures, or geological strata.
Examples
By Part of Speech
verb
British English
- The muscle fibres interdigitate along the seam, providing great strength.
- In this formation, the sedimentary layers clearly interdigitate with volcanic deposits.
American English
- The dendritic cells interdigitate with T-cells in the lymph node.
- The two puzzle pieces are designed to interdigitate for a secure fit.
adjective
British English
- The interdigitated structure of the cartilage allows for shock absorption.
- We observed an interdigitated pattern of light and dark bands.
Examples
By CEFR Level
- [Not appropriate for A2 level]
- [Not appropriate for B1 level]
- The bones in the skull interdigitate at the sutures.
- The two companies' operations began to interdigitate after the merger.
- Geological analysis shows that the fluvial and aeolian deposits interdigitate in this region, indicating a changing ancient climate.
- The polymer chains interdigitate at the nanoscale, creating a material with unique properties.
Learning
Memory Aids
Mnemonic
Think of your fingers (digits) clasped together (inter-). INTERlocked DIGITS = INTERDIGITATE.
Conceptual Metaphor
STRUCTURAL COMPLEXITY IS INTERLOCKED FINGERS; INTEGRATION IS PHYSICAL INTERWEAVING.
Watch out
Common Pitfalls
Translation Traps (for Russian speakers)
- Не переводить как "взаимно оцифровать".
- Не путать с глаголами общего переплетения (вплетать, сплетать). Термин указывает на специфический зубчатый, чередующийся узор.
Common Mistakes
- Using it as a general synonym for 'mix' or 'combine'.
- Incorrect preposition: 'interdigitate to' instead of 'interdigitate with'.
- Attempting to use it in everyday contexts.
Practice
Quiz
In which field would you MOST likely encounter the word 'interdigitate'?
FAQ
Frequently Asked Questions
No, it is a highly technical term used almost exclusively in scientific, medical, and academic contexts.
Rarely. It is primarily a concrete, physical description. Metaphorical use (e.g., 'their ideas interdigitated') is possible but very formal and uncommon.
The most common related noun is 'interdigitation' (e.g., 'the interdigitation of tectonic plates').
Yes, for general purposes, 'interlock' or 'mesh' are far more common and understandable alternatives.
Explore