Main definitions of microtunnelling in English

: microtunnelling1microtunnelling2

microtunnelling1

Pronunciation /ˌmʌɪkrə(ʊ)ˈtʌn(ə)lɪŋ/

noun

  • The formation or construction of extremely small-diameter tunnels, especially (in Engineering) the mechanical excavation of such tunnels, which are typically used for pipe-laying.

Origin

1980s; earliest use found in Soviet Materials Science. From micro- + tunnelling.

Main definitions of microtunnelling in English

: microtunnelling1microtunnelling2

microtunnelling2

Pronunciation /ˌmʌɪkrə(ʊ)ˈtʌnlɪŋ/

adjective

  • Of, relating to, or designating the formation or construction of very small-diameter tunnels or channels, especially (in Engineering) the mechanical excavation of such tunnels, e.g. for pipe-laying. Usually attributive.

Origin

1980s; earliest use found in Japan Telecommunications Review. From microtunnelling.