Definition: A type of candle made from a rush plant wick soaked in fat or grease.

Example: In the old days, people often used a rushlight to light their homes at night.

Definition: Not able to develop rust or corrosion, often used to describe metals or materials that resist oxidation.

Example: The new kitchen appliances are made of rustless stainless steel, ensuring they will last for years without deterioration.

Definition: Describing something that is connected to or contains the chemical element ruthenium, especially in a form that has a high valence.

Example: The ruthenic compound was used in advanced electronics due to its unique properties.

Definition: A rare, hard, silvery-white metal that is found in platinum ores and is used to strengthen other metals and as a catalyst in various chemical reactions.

Example: Ruthenium is often used in electronics and jewelry due to its durability and resistance to corrosion.

Definition: A man-made radioactive element with the atomic number 104, known for its very short lifespan and instability.

Example: Rutherfordium is used in scientific research due to its unique properties.

Definition: A shiny mineral that is usually red, reddish-brown, or black, made of titanium dioxide, and is used in jewelry, as an ore, and in various products like paints.

Example: Rutile is often used in the production of titanium and as a pigment in paints.

Definition: A type of shoe made of wood or a sandal with a strap across the top, often worn in some European countries.

Example: She wore a traditional wooden sabot while walking through the village.

Definition: A type of early brass instrument that resembles a trombone and is played by sliding a movable tube to change pitch.

Example: The musician played a beautiful melody on the sacbut during the concert.

Definition: A quick movement of the eyes from one point to another, often used when looking at different objects or reading text.

Example: During the experiment, the participants' saccades were measured to understand their visual attention.

Definition: Describing a type of movement that is quick and not smooth, often involving sudden jumps or shifts.

Example: The saccadic movements of the eyes help us quickly focus on different objects in our field of vision.