a distinct layer or level within a system, often conceived as having depth or hierarchy

vrstva, stratum
a problem or question that is confusing and needs a lot of skill or effort to solve or answer

záhadka, problém
a section of additional material that is usually added at the end of a book

dodatek, příloha
a single-celled microorganism that typically reproduces by cell division and can be found in various environments, including soil, water, and living organisms

bakterie, jednobuněčný mikroorganismus
a large retail store selling various goods, or a particular type of goods

velkoobchod, obchodní dům
a shell beads used by some Native American tribes as currency or ceremonial items

wampum, korálky z mušlí
a device with a long thin bar and a weight at the end that swings side to side to keep a clock working

kyvadlo, zavěšené těleso
the wall separating the audience and the stage in a theater hall, including the arch on its top

proscenium, proscenická rampa
a tarred fiber used for caulking seams in wooden ships and as insulation in plumbing

kalafuna, juta
a single piece of information or a reference point used in analysis or measurement

údaj, datum
a concise collection or summary of information, typically presented in a single volume or document

kompendium, souhrn
severe criticism or public condemnation, often directed at someone's actions or behavior that is considered shameful or disgraceful

opovržení, hanba
a point or support on which a lever pivots or rotates in order to lift or move objects

páka, podporující bod
(anatomy) the bone structure that surrounds and protects the brain

lebka, kosti lební
an unpleasant or noxious odor, typically emanating from decaying matter or industrial processes

pach, nepříjemný zápach
a period of one thousand years, usually calculated from the year of the birth of Jesus Christ

milénium, tisíciletí
a temporary suspension or halt of an ongoing activity, often imposed by an authority

moratorium, pozastavení
a formal expression of praise or tribute, typically delivered in speech or writing

chvála, osočení
a facility offering care for patients with mental or medical conditions needing extended treatment

azyl, ústav
a questionable or unproven remedy or treatment, often sold with exaggerated claims of effectiveness

vynález léčivého prostředku, pochybné léčení
