Antenna
Definition
A metallic conducting device or system of conductors used for emitting or receiving electromagnetic waves by converting high-frequency electric current into radiant energy and vice versa. In zoology, it denotes the paired, mobile, and articulated appendage located on the head of insects, crustaceans, and other arthropods, serving a complex sensory function (olfactory, tactile, or auditory).
Bilingual Equivalents
- Antenna
- Aerial
Grammatical & Source Details
| Inflection Type | Feminine noun, regular structural plural variations with standard case inflections. |
| Formation | Borrowed from French 'antenne' and Latin 'antenna', historically describing a ship's yard before its mathematical application to radio waves. |
| Spelling / Pronunciation | /ænˈten.ə/ |
| Source | IEEE Standard Definitions for Antennas and Academic Zoological Index |
Contextual Usage Examples
RO: Inginerul a orientat acea antenă parabolică direct spre satelitul de comunicații pentru a obține o rată de transfer optimă.
EN: The engineer oriented that parabolic antenna directly toward the communications satellite to obtain an optimal transfer rate.
RO: Un fluture își folosește fiecare antenă fină pentru a detecta mirosul florilor de la câțiva kilometri depărtare.
EN: A butterfly uses each fine antenna to detect the scent of flowers from several kilometers away.
RO: Furtuna violentă a rupt o antenă radio de pe pilonul central, întrerupând emisia postului local de televiziune.
EN: The violent storm broke a radio antenna from the central pylon, interrupting the broadcast of the local television station.
Idioms & Phrases
Antenă parabolică / Satellite dish
RO: Dispozitiv de recepție în formă de reflector concav utilizat pentru concentrarea semnalelor de televiziune emise din spațiu.
EN: A reception device shaped like a concave reflector used for focusing television signals broadcast from space.
A avea antene / To have feelers out
RO: Locuțiune familiară ce înseamnă a fi extrem de informat, vigilent sau capabil să prindă zvonurile și tendințele ascunse dintr-un grup.
EN: An idiomatic phrase meaning to be highly informed, vigilant, or capable of catching rumors and hidden trends within a group.
Antenă dipol / Dipole antenna
RO: Cel mai simplu și comun tip de element radiant, alcătuit din doi conductori simetrici, folosit la aparatele radio clasice.
EN: The simplest and most common type of radiating element, made of two symmetrical conductors, used in classical radio sets.
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