The phrase "a basic essential" is correct and usable in written English.
It can be used to emphasize something that is fundamental or necessary in a particular context.
Example: "Water is a basic essential for all forms of life on Earth."
Alternatives: "a fundamental necessity" or "a crucial requirement".
For them, LGBT equality is a basic essential for any employer.
"Respect is just such a basic, essential part of human nature, yet it's often ignored in the workplace," Foley said.
Anti-virus may not be flashy, but it's a basic essential for all Chinese netizens, who face a daily barrage of viruses and malware.
In order to ensure positive tension in cables, as a basic essential property, static and dynamic equations of robot are also obtained.
Simon Silver, Department of Microbiology and Immunology, University of Illinois, Chicago, USA (nominated by Arcady Mushegian) The two manuscripts by A.Y. Mulkidjanian and M. Galperin are a useful contribution to this long human effort (and a basic essential human need) to understand who we are and how we got here.
In order to have a linked data, basic essential obstetric care facilities (health centers) utilized by the kebele population were selected for the facility based survey.
However, none of them represent any kind of a rebuttal to the basic, essential fact that, for all its imperfection, hubris, sloppiness, or uncertainty, science works.
To prepare for an upcoming long journey, I make sure I have a few basic essentials in my handbag or backpack.
Behind the cashier is a wall of shelves with basic, essential medication: blood pressure tablets, pain killers, flu medicine.
Basic Home Monitoring Philips Lifeline (lifelinesys.com) is a home-monitoring system that provides a basic but essential set of features for about $38 a month.
The American Congress of Obstetricians and Gynecologists believes that access to family-planning counseling and to the full array of contraceptives is a basic and essential component of preventive health care for women.
