Definition of phototachymeter in English:

phototachymeter

noun ˌfəʊtəʊtəˈkɪmɪtə

1970s; earliest use found in Soviet Journal Optical Technology. From photo- + tachymeter, after Russian svetodal′nomer.

nounˌfəʊtəʊtəˈkɪmɪtə

1970s; earliest use found in Soviet Journal Optical Technology. From photo- + tachymeter, after Russian svetodal′nomer.

单词	phototachymeter
释义	Definition of phototachymeter in English: phototachymeter noun ˌfəʊtəʊtəˈkɪmɪtə An optical form of tachymeter. Origin 1970s; earliest use found in Soviet Journal Optical Technology. From photo- + tachymeter, after Russian svetodal′nomer. Definition of phototachymeter in US English: phototachymeter nounˌfəʊtəʊtəˈkɪmɪtə An optical form of tachymeter. Origin 1970s; earliest use found in Soviet Journal Optical Technology. From photo- + tachymeter, after Russian svetodal′nomer.
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