Category: Z

A very fine smooth powder used as a nonirritating antiseptic and astringent for burns and abrasions.  

A bluish-white metal used to make various containers and also to galvanize iron to prevent rust. The most commonly used compounds are zinc oxide as a pigment for paints and ointments. The salts also are used as a wood preservative, in soldering, in medicine to neutralize tissue, and in dilute solutions as an astringent and…

Two substances that react together to produce a relatively hard mass, used in dentistry for impression material, cavity liners, sealants, temporary restorations, and cementing layers.  

A small protein that can be constructed to bind to specific DNA sequences within genes.  

A fluorescent material used in radiographic imaging intensification screens. In the realm of fluoroscopy, a specialized type of screen employs a phosphor substance that emits a vibrant green light. This particular choice of phosphor is strategically selected due to the human eyes’ heightened sensitivity to green light, especially when presented at lower intensities of fluorescent…

White, pearly crystals; used as an astringent, antiseptic, contraceptive, and copper-binding compound.  

A game in which the sum of the wins is equal to the sum of the losses. In such a game, every victory by one party results in equivalent losses by other participants.  

A tissue fixative consisting of mercuric chloride, potassium dichromate, glacial acetic acid, and water. It is used to examine cells, and particularly nuclei, in detail.    

Morbid or monomaniacal zeal in the interest of any project or cause. An excessive and unhealthy enthusiasm in any endeavor, occupation, or effort.  

Any of the mechanisms in nature that keep internal biological clocks synchronized (entrained) with the environment. Zeitgebers can be physical, involving light or temperature (e.g., sunrise, sunset), or social, involving regular activities (e.g., consistent mealtimes).