[めいじ, meiji] (n) Meiji era (1868.9.8-1912.7.30); (P) #382
[たいしょう, taishou] (n) Taisho era (1912.7.30-1926.12.25); (P) #973
[の, no] (n, n-suf, ctr) (after a number in the hito-, futa-, mi- counting system) unit of measurement for cloth breadth (30-38 cm) #1598
[ごう, gou] (n) (1) 0.18039 litres (liters); (2) 0.3306 metres square (meters); (3) one-tenth of the way from the base to the summit of a mountain; (4) (See 衝・3) (astronomical) conjunction; (ctr) (5) counter for covered containers; (6) counter for matches, battles, etc.; (P) #2645
[ko-ru] (n, vs) (1) (telephone) call; (telephone) ring; (n) (2) shout; call; chant; (3) (abbr) (See コールローン, コールマネー) call loan (e.g. 30-day call); call money; (4) coal; (adj-f) (5) (ksb #4992
[てんぽう, tenpou] (n) Tempou era (1830.12.10-1844.12.2) #6406
[やよい(P);いやおい, yayoi (P); iyaoi] (n) (1) (obs) third month of the lunar calendar; (2) (いやおい only) (arch) thick growth (of grass, etc.); (3) Yayoi period (ca. 300 BCE - 300 CE); (P) #6641
[げんろく, genroku] (n) Genroku era (1688.9.30-1704.3.13); (P) #7082
[しゃく, shaku] (n) (1) shaku (unit of distance approximately equal to 30.3 cm); (2) rule; measure; scale; (3) length; (P) #7447
[かんえい, kan'ei] (n) Kan'ei era (1624.2.30-1644.12.16) #7746
[げんわ, genwa] (n) Genna era (1615.7.13-1624.2.30) #9125
[げんわ, genwa] (n) (obsc) Genwa era, Genna era (1615.7.13-1624.2.30) #9125
[ぶんせい, bunsei] (n) (1) educational policies or administration; (2) Bunsei era (1818.4.22-1830.12.10) #9232
[そう, sou] (n, adj-na) (1) vibrancy; strength; bravery; manliness; (2) (esp. of men) one's prime (approx. age 30) #9928
[ピータイル, pi-tairu] (n) vinyl floor tile (typically 30 cm square)
[おひとりさま, ohitorisama] (n) (1) one person; one customer; (2) (col) (See 負け犬・2) unmarried woman (with no children) over the age of 30
[インディアナポリスごひゃくマイルレース, indeianaporisu gohyaku mairure-su] (n) Indianapolis 500-mile race (each year on May 30th)
[カワスズメか, kawasuzume ka] (n) Cichlidae (family of over 1, 300 identified Cichlid fishes in the order Perciformes exhibiting fusion of the lower pharyngeal bones into a single tooth-bearing structure)
[gu-ragu ; guragu] (n) Gulag (Soviet Union labor camp from 1930-1955)
[シクリッドか, shikuriddo ka] (n) Cichlidae (family of over 1, 300 identified Cichlid fishes in the order Perciformes exhibiting fusion of the lower pharyngeal bones into a single tooth-bearing structure)
[buisanju-] (n) { comp } V30
[yonsanmarueichiekkusu] (n) { comp } 430HX
[yonsanmarubuiekkusu] (n) { comp } 430VX
[rekurie-shonarudaibingu] (n) recreational diving; no decompression stop diving; diving at depths which do not exceed 40 meters or 130 feet
[いおりてん, ioriten] (n) part alternation mark (symbol indicating the following words are taken from a song or that the person saying the words is singing); Unicode U+303D symbol
[いっしゃく, isshaku] (n) approx. 30 cm
[ひとはば, hitohaba] (n) single breadth (cloth measurement, 30-38 cm)
[えいしょう, eishou] (n) Eishou era (1504.2.30-1521.8.23)
[えんぎょう;えんけい, engyou ; enkei] (n) Engyou era (1308.10.9-1311.4.28); Enkei era
[かげん, kagen] (n) Kagen era (1303.8.5-1306.12.14)
[けんげん, kengen] (n) Kengen era (1302.11.21-1303.8.5)
[きょうほうじゃく, kyouhoujaku] (n) (arch) Kyouhou shaku (approx. 30.36 cm)
[かねじゃく;きょくしゃく(曲尺), kanejaku ; kyokushaku ( kyoku shaku )] (n) (1) carpenter's square (for checking angles); (2) common shaku (unit of distance; approx. 30.3 cm)
[つきへん, tsukihen] (n) (See 肉月) kanji "moon" radical at left (usually classified as radical 130)
[かれせん;カレセン, karesen ; karesen] (n) (uk) (from 枯れたおじいさん専門) younger woman (usu. 20-30 years old) who is physically attracted to mature older men (usu. 50-60 years old)
[ごこじゅうろっこく, gokojuurokkoku] (n) Sixteen Kingdoms (collection of sovereign states in and around China from 304 to 439 CE); Sixteen Kingdoms period
[さんじゅうにち, sanjuunichi] (n) (1) 30 days; (2) 30th; the thirtieth of the month
[さんぜん, sanzen] (n) (1) 3000; (2) many; (P)
[さんびゃく, sanbyaku] (n) (1) 300; three hundred; (2) (See 文・もん・1) 300 mon; trifling amount; two-bit item; (3) (abbr) (See 三百代言) shyster; (P)
[さんぶつき, sanbutsuki] (n) 30% polished rice
[よつぎり, yotsugiri] (n) cutting into four; quarter; photograph size 254mm x 305 mm
[じりつ, jiritsu] (n) age 30
[しちがつかくめい, shichigatsukakumei] (n) July Revolution (France, 1830)
[しちこうさんみん, shichikousanmin] (n) land-tax rate during the Edo period, in which the government took 70 percent of the year's crop and the farmers kept 30 percent
[わかものことば, wakamonokotoba] (n) (See 若者語) young people's language; words used only by people under 30
[はつみやまいり, hatsumiyamairi] (n) (See 宮参り) first visit of a child to the shrine of its tutelary deity (usu. when the child is about 30 days old)
[じょうふく, joufuku] (n) type of hanging scroll (made from paper of approx. 130cm x 30cm in size)
[まなつび, manatsubi] (n) day on which the temperature exceeds 30 degrees Centigrade
[にんじゅ, ninju] (n) Ninju era (851.4.28-854.11.30)