To elongate vowel sounds in katakana.
The line stands for "on" and the circle stands for "off".
"werewolf" in japanese: okamiotko (with a straight line over the first "o")
In Japanese "werewolf" is "okamiotoko" (with a straight line over the first "o")
The symbol for a hot wire in electrical diagrams is typically represented by a straight line.
definition:Parallel line are two straight lines that never meet.
The symbol for a buzzer is a semi-circle with the straight line facing upwards and two prong type things sticking out the bottom of it.
Single covalent bond.
A straight line with no endpoints is a geometric concept that extends infinitely in both directions. It is often represented in mathematics by a line symbol, denoted by two points on the line or with a single letter. Unlike line segments, which have defined starting and ending points, a straight line has an infinite length and continues indefinitely without termination.
A straight line with a dot on top of it typically represents a mathematical symbol called a "point." In geometry, a point indicates a specific location in space and has no dimensions, while the line may represent a geometric figure or a concept such as a line segment or ray. In some contexts, this symbol can also denote a vector or a specific type of line in analytical geometry.
A common symbol for an electromagnet in circuit diagrams is a coil of wire with a core material, such as iron, placed within the coil. The symbol typically includes a zigzag line to represent the wire coil and a straight line through the center to represent the core material.
straight line from lower left corner to upper right corner
Aries symbol is a straight vertical line that divides into two mirror image curved lives. It looks a little like the horns of a ram.