Смысл: -a

-a[-ə]
suff
<Í> образует форму мн. ч. лат. и греч. сущ. среднего рода, преим. научных терминов (особ. в области биологии)
1. соотносится с -um, суффиксом ед. ч. лат. сущ.:
herbaria - гербарии
sera - сыворотки
phyla - (таксономические) типы
spectra - спектры
scrota - мошонки
incunabula - инкунабулы
media - средства, среды
symposia - симпозиумы
bacteria - бактерии
формы на -a часто имеют параллельные варианты на -ums:
aquaria, aquariums - аквариумы
premia, premiums - надбавки, премии
millenia, milleniums - тысячелетия
2. соотносится с -on, суффиксом ед. ч. греч. сущ.:
criteria - критерии
phenomena - явления
noumena - ноумены
prolegomena - пролегомены
automata - автоматы
etyma - этимоны
3. часто встречается в названиях высших биологических таксонов (не имеющих форм ед. ч.):
Arthropoda - членистоногие
Amphibia - земноводные
Coelenterata - кишечнополостные
Chiroptera - рукокрылые
Hydrozoa - гидроиды
Monotremata - однопроходные

walking encyclopedia, a Идиома

a babe in arms

a baby, a child who is still wet behind the ears Dar was just a babe in arms when we emigrated to Canada.

a babe in the woods

"a defenseless person; a naive, young person" He's just a babe in the woods. He needs someone to protect him.

a bad taste in my mouth

a feeling that something is false or unfair, a feeling of ill will I left the meeting with a bad taste in my mouth. There was a lot of dishonesty in the room.

a bad time

a lot of teasing, a rough time The class gave him a bad time about his pink shorts.

a ball-park figure

"a number that is near the total; approximate figure" Fifty is a ball-park figure. It's close to our class size.

a bar fly

a person who often goes to bars or lounges Every evening Penny goes to Lucifer's. She's quite a bar fly.

a bar star

a girl who goes to bars to drink and find friends Lola was known as a bar star at Pinky's Lounge.

a bare-faced lie

a deliberate lie, a planned lie His statement to the police was false - a bare-faced lie.

a barnburner

an exciting game, a cliff-hanger When the Flames play the Oilers it's a barnburner - a great game.

a barrel of laughs

a lot of fun, a person who makes you laugh Let's invite Chang to our party. He's a barrel of laughs.

a walking encyclopedia

A being who has a actual ample and abundant ability of a assorted arrangement of facts and who can recite them back asked. Lily's like a walking album back it comes to reptiles.Learn more: encyclopedia, walking

walking encyclopedia

A actual abreast person, as in Ask Rob-he's a walking album of aggressive history. A agnate expression, a walking dictionary, was acclimated by George Chapman in his composition "Tears of Peace" (c. 1600). Learn more: encyclopedia, walking

walking encyclopedia, a

An acutely abreast individual. The appellation likens a being to a huge amalgamation of learning. One of the ancient versions of this cliché occurred in the composition “Tears of Peace” by George Chapman (ca. 1559–1634): “And let a academic all Earth’s volumes carry, He will be but a walking dictionary.” In Louisa May Alcott’s Little Women (1869) Meg speaks admiringly of a man she considers “a walking encyclopedia.”Learn more: walking

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Dictionary

More Idioms/Phrases

a babe in the woods a bad taste in my mouth a bad time a ball-park figure a bar fly a bar star a bare-faced lie a barnburner a barrel of laughs a basket case a bawling out a bed of roses a bee in her bonnet a big rig a big shot a big wheel a big wig walk Spanish walk tall walk tall, to walk the beat walk the chalk walk the dog walk the floor walk the line walk the plank walk the plank, to walk the streets walk the talk walk the walk walk the walk and talk the talk walk through walk together walk up walk up to walk with walk with (someone or something) walk your talk walk-in walking walking dandruff walking encyclopedia walking encyclopedia, a walking on eggs walking on rocky socks walking papers walking wounded walkover walk-up song wall wall in wall job wall of silence wall off Wall Street wall up walla Walla! walla(h) wallaby wallah Wallah! wallet wall-eyed wallflower wallop wallow wallow in