myriametren.

1797 Jrnl. Nat. Philos. Aug. 196 This usual and portative measure..was called metre. Proceeding..from this measure as the common unity, its multiples have been named by prefixing to the word metre, one of the Greek words deca, hecaton or hecto, chilia or kilo, and myria, which signify ten, a hundred, a thousand, and ten thousand; and its sub-multiples by means of the Latin prefixes deci, centi, milli.]

1797 Jrnl. Nat. Philos. Aug. 196 The kilometre and the myriametre are itinerary measures; the one of 1000, and the other of 10,000 metres... Ten myriametres make the 100th part of the quarter of the meridian.

1804 Ann. Reg. 612 A bridge..will shorten the route from Paris to Cherbourg by some myriameters.

1855 Philos. Trans. (Royal Soc.) 145 112 The highest point of the isthmus between Pelusium and Suez is 12·74 metres, or 41 feet above the Mediterranean, the distance between the two places being 12⁵/ ₈ myriametres, or about 78 English miles.

1871 C. Davies Metric Syst. i. 11 The myriametre, equal to nearly 6 and one-fourth miles.

1902 Jrnl. Royal Statist. Soc. 65 626 A supplementary table gives length of line, divided into first and second class railways and tramroads, partly or wholly open for traffic, per square myriametre.

1927 P. C. Jessup Law of Territorial Waters & Maritime Jurisdiction Introd. p. xxxviii Some of the continental states express marine distances in terms of myriameters which are of course equal to 10,000 meters or 6.2137 statute miles and 5.396 marine miles.

1969 C. Osborne tr. R. Stenuit Dolphin 101 The ship was doing one myriameter per hour.