Webster's 1913 Dictionary
NAPIERIAN; NAPERIAN
NAPIERIAN; NAPERIAN Na *pie "ri *an, Na *pe "ri *an, , a.
Defn: Of, pertaining to, or discovered by, Napier, or Naper. Naperian logarithms. See under Logarithms.
NAPIER'S BONES; NAPIER'S RODS
NAPIER'S BONES; NAPIER'S RODS Na "pi *er's bones `, Na "pi *er's rods `.
Defn: A set of rods, made of bone or other material, each divided into nine spaces, and containing the numbers of a column of the multiplication table; -- a contrivance of Baron Napier, the inventor of logarithms, for facilitating the operations of multiplication and division.
New American Oxford Dictionary
Napier
Napier |ˈneɪpɪə | a seaport on Hawke Bay, in the North Island, New Zealand; pop. 55,359 (2006 ). Originally a whaling port, the town was named after the British general and colonial administrator Sir Charles Napier (1809 –54 ).
Napier, John
Na pi er, John |ˈnāpēər, nəˈpi (ə )r ˈneɪpiər | (1550 –1617 ), Scottish mathematician. He invented the logarithm.
napier grass
na pi er grass |ˈnāpēər ˈneɪpiər | ▶noun another term for elephant grass.
Napierian logarithm
Na pier i an log a rithm |nāˈpi (ə )rēən, nə -neɪˌpɪərɪən ˈlɔɡəˌrɪðəm | ▶noun another term for natural logarithm. ORIGIN early 19th cent.: named after J. Napier, John .
Napier's bones
Na pier's bones ▶plural noun Mathematics slips of ivory or other material divided into sections marked with digits, devised by John Napier and formerly used to facilitate multiplication and division.
Oxford Dictionary
Napier
Napier |ˈneɪpɪə | a seaport on Hawke Bay, in the North Island, New Zealand; pop. 55,359 (2006 ). Originally a whaling port, the town was named after the British general and colonial administrator Sir Charles Napier (1809 –54 ).
Napier, John
Napier, John |ˈneɪpɪə | (1550 –1617 ), Scottish mathematician. He was the inventor of logarithms.
Napierian logarithm
Napierian logarithm |neɪˈpɪərɪən | ▶noun another term for natural logarithm. ORIGIN early 19th cent.: named after J. Napier (see Napier, John ).
Napier's bones
Napier's bones |ˈneɪpɪəzbəʊnz | ▶plural noun Mathematics slips of ivory or other material divided into sections marked with digits, devised by John Napier and formerly used to facilitate multiplication and division.
The Wordsmith Dictionary