monobasic

American  

[mon-uh-bey-sik] / ˌmɒn əˈbeɪ sɪk /

adjective

1. Chemistry.  (of an acid) containing one replaceable hydrogen atom.

2. Biology.  monotypic.

---

monobasic British  

/ ˌmɒnəʊˈbeɪsɪk /

adjective

1. chem (of an acid, such as hydrogen chloride) having only one replaceable hydrogen atom per molecule

---

monobasic Scientific  

/ mŏn′ə-bā′sĭk /

1. Relating to an acid that contains only one hydrogen atom that can be replaced in an acid-base reaction. Hydrochloric acid (HCl) and nitric acid (HNO ₃) are monobasic acids.

2. Of or relating to a compound that contains one metal ion or positive radical.

---

Other Word Forms

• monobasicity noun

Etymology

Origin of monobasic

First recorded in 1835–45; mono- + basic

Example Sentences

According to a fact sheet on the FDA's website for the Pfizer-BioNTech COVID-19 vaccine, the vaccine contains only mRNA, lipids, potassium chloride, monobasic potassium phosphate, sodium chloride, dibasic sodium phosphate dihydrate and sucrose — none of which are ferromagnetic.

From Salon

The vaccine also contains four salts: potassium chloride, monobasic potassium phosphate, basic sodium phosphate dihydrate and sodium chloride.

From New York Times

Monobasic, mon-ō-bā′sik, adj. having one base, of an acid combining with a univalent basic radical to form a neutral salt.

From Project Gutenberg

Monac′id, capable of saturating a single molecule of a monobasic acid; Monac′tinal, single-rayed.—n.

From Project Gutenberg

They are all monobasic acids; the lower members are colourless liquids, and the higher members from C7H15COOH upwards are colourless solids.

From Project Gutenberg