この記事では語源aqua（水）に関連する英単語を紹介します。
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aquaculture /άːkwək`ʌltʃɚ/：養殖
aquacultureは「養殖」を意味し、語源はaqua（水）とculture（耕作）に由来します。
英語の解説と例文
Aquaculture means “farming of marine animals”, and the etymology comes from aqua (water) and culture (cultivation).
Aquaculture is to cultivate aquatic creatures for commercial purposes. It does not include animals for ornamental purposes. More recently, Chinese farming has grown rapidly, and more than half of the seafood cultivated in the world can be raised in China.
The merit of aquaculture is saving time and cost of catching fish, protection of natural resources, mass production of low-supply fish. Disadvantages of aquaculture include risk of excessive production, water pollution due to bait, concern about quality, loss of genetic diversity, etc.
aqueduct /ˈækwəd`ʌkt/：水道橋
aqueductは「水道橋」を意味し、語源はaqua（水）とducere（導く）に由来します。
英語の解説と例文
Aqueduct means “a bridge to carry water”, and the etymology comes from aqua (water) and ducere (lead).
Aqueduct is a bridge that carries water across rivers and valleys. Among the most famous are Roman aqueducts, they are made very elaborately and are considered one of the greatest feats in the Roman Empire.
aquamarine /ὰːkwəməríːn/：アクアマリン
aquamarineは「アクアマリン」を意味し、語源はaqua（水）とmarinus（海）に由来します。
英語の解説と例文
Aquamarine means “a greenish blue jewel”, and the etymology comes from aqua (water) and marinus (ocean).
Aquamarine is a blue Beryl, which means “seawater” in Latin. It is a birthstone in March, and the word of jewelry is “deposition, brave, intelligent”.
aquanaut /άːkwən`ɔːt/：潜水士
aquanautは「潜水作業員」を意味し、語源はaqua（水）とnautes（船乗り）に由来します。同義語はdiverです。
英語の解説と例文
Aquanaut means “someone who works under the water”, and the etymology comes from aqua (water) and nautes (seaman). The synonym is diver.
The work of a aquanaut is to do surveys and construction by wearing diving equipment underwater. Specifically, it is processing of sunken ship, academic investigation underwater, sea rescue etc.
You need a diving license to work as an aquanaut. However, because practical exams are not conducted under this qualification, many people question the effectiveness.
By the way, if you are going to diving as a leisure, you need the “C card” issued by the diving school.
Because it is necessary to take practical exam to get “C card”, it is easier for the holder of “C card” to be given preferential treatment than the owner of the aquanaut license.
aquarium /əkwé(ə)riəm/：水族館、水槽
aquariumは「水族館、水槽」を意味し、語源はaquarius（水の）に由来します。
英語の解説と例文
Aquarium means “a building to watch marine animals”, and the origin is derived from aquarius (of water).
Aquarium is a facility that exhibited animals living underwater and waterside. In the big aquarium the dolphin show is an eye-catching feature. Okinawa Churaumi Aquarium is the largest aquarium in Japan.
When we go to Okinawa on a school trip, it is almost certainly a place to go. Because the aquarium has a quiet and calm atmosphere, it is also recommended as a date spot.
Aquarium also refers to a small aquarium for personal use, the synonym is fish tank. Visiting the Home Center, when you go to the fish corner, you can see that clean tropical fish are swimming in the aquarium. People who make aquarium with hobbies are called aquarists.
Aquarius /əkwé(ə)riəs/：みずがめ座
Aquariusは「みずがめ座」を意味し、語源はラテン語のaquarius（水の運び手）に由来します。
英語の解説と例文
Aquarius means “a sign of the zodiac represented by a person pouring water”, and the etymology comes from the Latin aquarius (water carrier).
Aquarius is one of the twelve zodiac constellations of the zodiac, representing a man pouring water. The Ecliptic Twelve Constellation is the 12 constellations passing through the Ecliptic, and it is often used for fortune telling.
aquatic /əkwɑ́tik/：水生の
aquaticは「水生の」を意味し、語源はaqua（水）に由来します。
英語の解説と例文
Aquatic means “living in water”, and the etymology comes from aqua (water).
Aquatic is used for animals and plants living in water or waterside. For example, ducks and swans are classified as aquatic birds. Lotus and water lily are classified as aquatic plants.
aquavit /ˌakwəˈviːt/：アクアビット
aquavitは「アクアビット」を意味し、語源はaqua（水）とvit（命）に由来します。原義はラテン語のaqua viate（命の水）です。
英語の解説と例文
Aquavit means “a kind of liquor”, and the etymology comes from aqua (water) and vit (life). The original meaning is aqua viate (water of life) in Latin.
Aquavit is a distilled liquor made mainly of potatoes, and it is manufactured in Denmark, Sweden, Norway, Germany.